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Show new changes starting from 19:27, 23 July 2021
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#### 23 July 2021

 m   17:55 2013 AMC 10A Problems/Problem 20‎ (diff | hist) . . (-1)‎ . . Math2019a (talk | contribs) (→‎Solution 2)
 17:44 User:Xmidnightfirex‎ (diff | hist) . . (+41)‎ . . Eclipse471 (talk | contribs)
 17:28 2016 AMC 12B Problems/Problem 21‎ (diff | hist) . . (+1,389)‎ . . User0003 (talk | contribs) (→‎Solutions)
 17:12 2017 AMC 10A Problems/Problem 13‎ (diff | hist) . . (-1)‎ . . Mobius247 (talk | contribs) (→‎Solution)
 17:00 2017 AMC 10A Problems/Problem 11‎ (diff | hist) . . (+18)‎ . . Mobius247 (talk | contribs) (→‎Solution 2)
 16:57 2017 AMC 10A Problems/Problem 10‎ (diff | hist) . . (0)‎ . . Mobius247 (talk | contribs) (→‎Solution)
 16:53 2017 AMC 10A Problems/Problem 8‎ (diff | hist) . . (+21)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)
 16:52 2017 AMC 10A Problems/Problem 6‎‎ (6 changes | history) . . (+85)‎ . . [Mobius247‎ (6×)] 16:52 (cur | prev) . . (+38)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (Elimination of Answer Choices)) 16:51 (cur | prev) . . (+41)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (Elimination of Answer Choices)) 16:50 (cur | prev) . . (-4)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (Elimination of Answer Choices)) 16:49 (cur | prev) . . (+2)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (Elimination of Answer Choices)) 16:48 (cur | prev) . . (+4)‎ . . Mobius247 (talk | contribs) (→‎Solution 1 (Using the Contrapositive)) 16:48 (cur | prev) . . (+4)‎ . . Mobius247 (talk | contribs) (→‎Solution 1 (Using the Contrapositive))
 16:35 2017 AMC 10A Problems/Problem 4‎ (diff | hist) . . (+11)‎ . . Mobius247 (talk | contribs) (→‎Solution)
 m   16:15 1985 AIME Problems/Problem 12‎‎ (13 changes | history) . . (+1,468)‎ . . [MRENTHUSIASM‎ (13×)] m 16:15 (cur | prev) . . (+24)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2 (Multivariable Recursion)) m 02:38 (cur | prev) . . (+1)‎ . . MRENTHUSIASM (talk | contribs) (Undo revision 158957 by MRENTHUSIASM (talk)) (Tag: Undo) m 02:38 (cur | prev) . . (-1)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Partitions)) m 02:35 (cur | prev) . . (+4)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3 (Single Variable Version of Solution 2)) m 02:32 (cur | prev) . . (-4)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 5 (Educated Guess)) m 02:31 (cur | prev) . . (+71)‎ . . MRENTHUSIASM (talk | contribs) m 02:24 (cur | prev) . . (+152)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 6 (Cheap Solution)) m 02:20 (cur | prev) . . (+42)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3) m 02:03 (cur | prev) . . (+58)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1.2 (Explicit Formula)) m 01:55 (cur | prev) . . (+1)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1 (Single Variable Recursion)) m 01:16 (cur | prev) . . (+5)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1 (Single Variable Recursion)) m 01:11 (cur | prev) . . (+598)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1.2 (Closed-Form of P(k))) m 00:20 (cur | prev) . . (+517)‎ . . MRENTHUSIASM (talk | contribs)
 16:13 2020 AMC 12A Problems/Problem 1‎ (diff | hist) . . (+85)‎ . . Cellsecret (talk | contribs) (→‎Video Solution)
 N    13:56 2021 IMO Problems/Problem 4‎‎ (9 changes | history) . . (+2,987)‎ . . [Bumstaka‎ (9×)] 13:56 (cur | prev) . . (+64)‎ . . Bumstaka (talk | contribs) 11:47 (cur | prev) . . (+9)‎ . . Bumstaka (talk | contribs) (→‎Solution) 07:52 (cur | prev) . . (+2)‎ . . Bumstaka (talk | contribs) 07:51 (cur | prev) . . (-22)‎ . . Bumstaka (talk | contribs) 06:31 (cur | prev) . . (+527)‎ . . Bumstaka (talk | contribs) 06:22 (cur | prev) . . (+154)‎ . . Bumstaka (talk | contribs) 06:08 (cur | prev) . . (+335)‎ . . Bumstaka (talk | contribs) 06:03 (cur | prev) . . (+619)‎ . . Bumstaka (talk | contribs) N 05:42 (cur | prev) . . (+1,299)‎ . . Bumstaka (talk | contribs) (Created page with "$Problem:$ Let $\Gamma$ be a circle with centre $I$, and $ABCD$ a convex quadrilateral such that each of the segments $AB, BC,...")  13:47 1951 AHSME Problems‎‎ (2 changes | history) . . (+33)‎ . . [Aopspandy‎ (2×)] 13:47 (cur | prev) . . (+12)‎ . . Aopspandy (talk | contribs) (→‎Problem 17) 13:47 (cur | prev) . . (+21)‎ . . Aopspandy (talk | contribs) (→‎Problem 17)  13:46 2012 AIME II Problems/Problem 9‎ (diff | hist) . . (+798)‎ . . Awsomek (talk | contribs) (→‎Solution 3)  12:48 (Block log) . . Jwelsh (talk | contribs) blocked Alancenwang (talk | contribs) with an expiration time of indefinite (account creation disabled) ‎(Removing content from pages)  12:02 User talk:MRENTHUSIASM‎‎ (2 changes | history) . . (+158)‎ . . [Dofl‎; MRENTHUSIASM‎] 12:02 (cur | prev) . . (+39)‎ . . MRENTHUSIASM (talk | contribs) (→‎Chats) 06:16 (cur | prev) . . (+119)‎ . . Dofl (talk | contribs) (→‎Chats)  m 11:51 2021 AIME I Problems/Problem 7‎ (diff | hist) . . (-2)‎ . . Jackshi2006 (talk | contribs) (→‎Solution 3)  m 09:53 IMO problems statistics since 2000‎ (diff | hist) . . (+18)‎ . . Test20 (talk | contribs) (Updated to 2021)  09:51 IMO problems statistics‎‎ (2 changes | history) . . (+18)‎ . . [Test20‎ (2×)] 09:51 (cur | prev) . . (0)‎ . . Test20 (talk | contribs) m 09:51 (cur | prev) . . (+18)‎ . . Test20 (talk | contribs) (Updated to 2021)  09:47 IMO Problems and Solutions‎‎ (3 changes | history) . . (+46)‎ . . [Test20‎ (3×)] 09:47 (cur | prev) . . (+6)‎ . . Test20 (talk | contribs) (→‎2021) m 09:02 (cur | prev) . . (+22)‎ . . Test20 (talk | contribs) (→‎2021) m 07:33 (cur | prev) . . (+18)‎ . . Test20 (talk | contribs) (→‎2021)  09:31 2015 AMC 10A Problems/Problem 5‎‎ (2 changes | history) . . (+11)‎ . . [Jesselan‎ (2×)] m 09:31 (cur | prev) . . (+6)‎ . . Jesselan (talk | contribs) (→‎Solution) 09:30 (cur | prev) . . (+5)‎ . . Jesselan (talk | contribs) (→‎Solution)  m 09:17 Math books‎ (diff | hist) . . (-5)‎ . . Vrilles (talk | contribs) (→‎Olympiad: : fix link)  N 06:36 User:Jamalucas‎ (diff | hist) . . (+997)‎ . . Jamalucas (talk | contribs) (VIVA99, sudah dikenal sebagai salah satu Website Judi Online penyedia permainan dengan Uang Asli yang pasti gak akan bikin setiap membernya menyesal.)  N 06:34 User:Kalonia‎ (diff | hist) . . (+3,378)‎ . . Kalonia (talk | contribs) (Created page with "Best Possible Details Shared About CBD None of us is basically healthy and balanced in today’s lifestyles there isn't any low diet and lifestyle. Lots of people are really...")  m 05:14 2021 AMC 10A Problems/Problem 25‎‎ (2 changes | history) . . (+30)‎ . . [MRENTHUSIASM‎ (2×)] m 05:14 (cur | prev) . . (+30)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Casework and Derangements)) m 02:53 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (Derangement is an overkill, although it works. So, I pushed that to the end and prioritized the other casework solutions. Let me know if anyone disagrees.)  m 04:47 User:Flamekhoemberish‎ (diff | hist) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎Mathematics)  04:26 2007 AMC 8 Problems/Problem 8‎‎ (3 changes | history) . . (+387)‎ . . [MRENTHUSIASM‎ (3×)] m 04:26 (cur | prev) . . (-1)‎ . . MRENTHUSIASM (talk | contribs) 04:23 (cur | prev) . . (+393)‎ . . MRENTHUSIASM (talk | contribs) (Added in Sol 2.) m 04:03 (cur | prev) . . (-5)‎ . . MRENTHUSIASM (talk | contribs)  04:24 User:MRENTHUSIASM‎‎ (3 changes | history) . . (+67)‎ . . [MRENTHUSIASM‎ (3×)] 04:24 (cur | prev) . . (+63)‎ . . MRENTHUSIASM (talk | contribs) (→‎2007 AMC 8) m 02:40 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎2021 AMC 10A) m 02:39 (cur | prev) . . (+4)‎ . . MRENTHUSIASM (talk | contribs) (→‎1985 AIME)  m 03:55 2007 AMC 8 Problems‎ (diff | hist) . . (-20)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 8)  N 03:15 User:Daduonline911‎‎ (2 changes | history) . . (+7,092)‎ . . m 03:15 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 03:06 (cur | prev) . . (+6,999)‎ . . Daduonline911 (talk | contribs) (Bergabung segera, deposit mulai dari puluhan ribu dan situs yang menarik hanya dengan 1 akun ID game saja. Link: https://impactshopfitters.com)  m 02:24 2009 AIME I Problems‎ (diff | hist) . . (+2)‎ . . Firedragonmath16 (talk | contribs) (→‎Problem 13)  N 01:38 User:Lleyphaw‎‎ (2 changes | history) . . (+3,578)‎ . . [MRENTHUSIASM‎; Lleyphaw‎] m 01:38 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 01:30 (cur | prev) . . (+3,485)‎ . . Lleyphaw (talk | contribs) (Created page with "'''Make Everything Effective With Portable AC''' Are you feeling moving into individuals locations where the summer season characterizes you? Might be, the way to go is yes...")  00:32 2021 IMO Problems/Problem 1‎ (diff | hist) . . (+70)‎ . . Ftheftics (talk | contribs) (→‎Solution) #### 22 July 2021  23:32 1985 AIME Problems/Problem 12‎‎ (9 changes | history) . . (+519)‎ . . [MRENTHUSIASM‎ (9×)] 23:32 (cur | prev) . . (+98)‎ . . MRENTHUSIASM (talk | contribs) (Rearranged the solutions based on education values. I will push the PURE guess-and-check solutions to the end. If anyone disagrees with this, please PM me, and we will figure something out.) 23:02 (cur | prev) . . (+381)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1.1 (Recursion)) 22:47 (cur | prev) . . (+643)‎ . . MRENTHUSIASM (talk | contribs) m 21:55 (cur | prev) . . (+21)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 7 (Multivariable Recursion)) m 21:53 (cur | prev) . . (-252)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 6) 21:53 (cur | prev) . . (-375)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1) m 21:53 (cur | prev) . . (+606)‎ . . MRENTHUSIASM (talk | contribs) (Undo revision 158933 by MRENTHUSIASM (talk)) (Tag: Undo) m 21:39 (cur | prev) . . (-606)‎ . . MRENTHUSIASM (talk | contribs) m 21:13 (cur | prev) . . (+3)‎ . . MRENTHUSIASM (talk | contribs)  22:31 2002 AMC 10B Problems/Problem 25‎‎ (2 changes | history) . . (+1,721)‎ . . [Hh99754539‎ (2×)] 22:31 (cur | prev) . . (+6)‎ . . Hh99754539 (talk | contribs) (→‎Solution 4: messed up LaTeX) 22:30 (cur | prev) . . (+1,715)‎ . . Hh99754539 (talk | contribs) (Added a solution)  21:21 Series‎ (diff | hist) . . (+11)‎ . . Enderramsby (talk | contribs)  21:20 1993 AIME Problems/Problem 1‎ (diff | hist) . . (+1,960)‎ . . Pekka (talk | contribs) (→‎Solution)  N 21:19 Infinite Geometric Sequence‎ (diff | hist) . . (+60)‎ . . Enderramsby (talk | contribs) (Redirected page to Geometric sequence#Infinite Geometric Sequences) (Tag: New redirect)  21:13 1985 AIME Problems‎ (diff | hist) . . (-25)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 12)  N 21:12 Geometric sequences‎ (diff | hist) . . (+31)‎ . . Enderramsby (talk | contribs) (Redirected page to Geometric sequence) (Tag: New redirect)  21:07 User:MRENTHUSIASM‎‎ (3 changes | history) . . (+75)‎ . . [Alancenwang‎; MRENTHUSIASM‎ (2×)] 21:07 (cur | prev) . . (+11,956)‎ . . MRENTHUSIASM (talk | contribs) (Undo revision 158922 by Alancenwang (talk)) (Tag: Undo) 20:03 (cur | prev) . . (-11,956)‎ . . Alancenwang (talk | contribs) (Replaced content with "  m 20:52 LaTeX:Symbols‎ (diff | hist) . . (0)‎ . . Thinkert (talk | contribs) (→‎See More)  m 20:40 Inradius‎ (diff | hist) . . (+251)‎ . . Doudou24 (talk | contribs)  20:39 Without loss of generality‎ (diff | hist) . . (+65)‎ . . Tigerzhang (talk | contribs) (→‎Introductory Level)  m 18:57 2012 AMC 10A Problems/Problem 12‎‎ (2 changes | history) . . (+7)‎ . . [Bigbrain123‎ (2×)] m 18:57 (cur | prev) . . (+7)‎ . . Bigbrain123 (talk | contribs) (→‎Solution 2) m 18:57 (cur | prev) . . (0)‎ . . Bigbrain123 (talk | contribs) (→‎Solution 2)  18:02 2016 AMC 10B Problems/Problem 21‎‎ (2 changes | history) . . (+29)‎ . . [Mobius247‎ (2×)] 18:02 (cur | prev) . . (+39)‎ . . Mobius247 (talk | contribs) (→‎Solution 2) 18:00 (cur | prev) . . (-10)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)  17:46 1993 AIME Problems/Problem 7‎‎ (11 changes | history) . . (+1,096)‎ . . [MRENTHUSIASM‎ (11×)] m 17:46 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Permutation)) m 17:38 (cur | prev) . . (+85)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Permutation)) m 04:13 (cur | prev) . . (+28)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1 (Combination)) 03:56 (cur | prev) . . (+1,058)‎ . . MRENTHUSIASM (talk | contribs) 00:35 (cur | prev) . . (+59)‎ . . MRENTHUSIASM (talk | contribs) m 00:16 (cur | prev) . . (+1)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3) m 00:15 (cur | prev) . . (-31)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2) m 00:13 (cur | prev) . . (-13)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2) m 00:12 (cur | prev) . . (-8)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1) m 00:11 (cur | prev) . . (+13)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem) m 00:10 (cur | prev) . . (-96)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem)  17:02 2016 AMC 10B Problems/Problem 20‎ (diff | hist) . . (0)‎ . . Mobius247 (talk | contribs) (→‎Solution 2: Geometric)  16:53 2016 AMC 10B Problems/Problem 19‎ (diff | hist) . . (0)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (Similar Triangles))  16:45 2016 AMC 10B Problems/Problem 10‎‎ (2 changes | history) . . (+28)‎ . . [Mobius247‎ (2×)] 16:45 (cur | prev) . . (+38)‎ . . Mobius247 (talk | contribs) (→‎Solution 3) 12:37 (cur | prev) . . (-10)‎ . . Mobius247 (talk | contribs) (→‎Solution 3)  16:39 2016 AMC 10B Problems/Problem 18‎ (diff | hist) . . (-7)‎ . . Mobius247 (talk | contribs) (→‎Solution 2)  16:32 2016 AMC 10B Problems/Problem 17‎‎ (2 changes | history) . . (+1)‎ . . [Mobius247‎ (2×)] 16:32 (cur | prev) . . (-1)‎ . . Mobius247 (talk | contribs) (→‎Solution 2) 16:30 (cur | prev) . . (+2)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)  m 16:13 2011 USAMO Problems/Problem 5‎ (diff | hist) . . (+2)‎ . . Asdf334 (talk | contribs)  N 16:03 User:Ormalean‎‎ (2 changes | history) . . (+3,818)‎ . . [Ormalean‎; MRENTHUSIASM‎] m 16:03 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 00:19 (cur | prev) . . (+3,725)‎ . . Ormalean (talk | contribs) (Created page with "'''Kratom Vendors is Wonderful From Many Perspectives''' Pain could very well come about on your body due to tight agenda, affected limbs, together with an bad for your hea...")  N 16:03 User:Sicheild‎‎ (2 changes | history) . . (+3,724)‎ . . [Sicheild‎; MRENTHUSIASM‎] m 16:03 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 06:58 (cur | prev) . . (+3,631)‎ . . Sicheild (talk | contribs) (Created page with "'''Be At The Top Of World With Crazy Bulk Supplement Stack Reviews''' Thin individuals develop into a having a laugh hold all around you regarding shape, and they also con...")  N 16:02 User talk:Ceelmbel‎‎ (2 changes | history) . . (+3,921)‎ . . [Ceelmbel‎; MRENTHUSIASM‎] m 16:02 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 13:11 (cur | prev) . . (+3,828)‎ . . Ceelmbel (talk | contribs) (Created page with "Best Possible Details Shared About Carpet Cleaning Exeter There are numerous folks who obtain many kinds of carpets for their areas to make them gorgeous in recent times...")  15:25 2013 AIME II Problems/Problem 13‎‎ (5 changes | history) . . (+165)‎ . . [Yuxiaomatt‎ (5×)] 15:25 (cur | prev) . . (+46)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 15:24 (cur | prev) . . (+18)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 15:24 (cur | prev) . . (-1)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 15:23 (cur | prev) . . (+1)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 15:23 (cur | prev) . . (+101)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4)  m 14:41 2013 AIME II Problems/Problem 6‎ (diff | hist) . . (+2)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4)  m 14:32 2016 AIME II Problems/Problem 12‎ (diff | hist) . . (-13)‎ . . Erics118 (talk | contribs) (→‎Solution 5: color > color (british vs american english) lol)  m 14:06 2012 AMC 10B Problems/Problem 16‎ (diff | hist) . . (-80)‎ . . Dramaticflosskid (talk | contribs) (→‎Alternate Solution)  N 13:41 1998 APMO Problems/Problem 3‎ (diff | hist) . . (+582)‎ . . Johnroo2 (talk | contribs) (Created page with "== Problem == Let [itex]a, b, c$ be positive real numbers. Prove that $(1+\frac{a}{b})(1+\frac{b}{c})(1+\frac{c}{a}) \geq 2(1+\frac{a+b+c}{\sqrt[\leftroot{-2}\upr...")  13:26 2016 AMC 10B Problems/Problem 16‎‎ (2 changes | history) . . (+12)‎ . . [Mobius247‎ (2×)] 13:26 (cur | prev) . . (0)‎ . . Mobius247 (talk | contribs) (→‎Solution 1) 13:25 (cur | prev) . . (+12)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)  12:56 User talk:Rrusczyk‎ (diff | hist) . . (+14)‎ . . Tigerveiw (talk | contribs)  N 12:50 1998 APMO Problems/Problem 2‎‎ (2 changes | history) . . (+1,761)‎ . . [Johnroo2‎ (2×)] 12:50 (cur | prev) . . (+1,620)‎ . . Johnroo2 (talk | contribs) (→‎Problem) N 12:29 (cur | prev) . . (+141)‎ . . Johnroo2 (talk | contribs) (Created page with "== Problem == Show that for any positive integers [itex]a$ and $b$, $(36a + b)(36b + a)$ cannot be a power of 2.")
 12:49 2016 AMC 10B Problems/Problem 11‎ (diff | hist) . . (+1)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)
 12:25 (Upload log) . . Geometry6 (talk | contribs) uploaded File:IMO 2021 P4.png ‎
 12:13 2017 JBMO Problems/Problem 2‎‎ (2 changes | history) . . (0)‎ . . [Johnroo2‎ (2×)] 12:13 (cur | prev) . . (-102)‎ . . Johnroo2 (talk | contribs) (→‎Solution 2) 12:07 (cur | prev) . . (+102)‎ . . Johnroo2 (talk | contribs) (→‎Solution)
 m   11:46 2005 AMC 10A Problems/Problem 7‎ (diff | hist) . . (-4)‎ . . Ssr 07 (talk | contribs) (→‎Video Solution)
 m   11:21 2009 AMC 10B Problems/Problem 10‎‎ (2 changes | history) . . (+108)‎ . . [Ssr 07‎ (2×)] m 11:21 (cur | prev) . . (+11)‎ . . Ssr 07 (talk | contribs) (→‎Video Solution) m 09:54 (cur | prev) . . (+97)‎ . . Ssr 07 (talk | contribs) (→‎Video Solution)
 07:05 2015 AMC 8 Problems‎‎ (2 changes | history) . . (0)‎ . . [MRENTHUSIASM‎ (2×)] 07:05 (cur | prev) . . (+1)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) 07:05 (cur | prev) . . (-1)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19)
 N    06:54 User:Cheanden‎‎ (2 changes | history) . . (+3,707)‎ . . [MRENTHUSIASM‎; Cheanden‎] m 06:54 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 06:53 (cur | prev) . . (+3,614)‎ . . Cheanden (talk | contribs) (Created page with "Highly Vital Details About Nerve Support Are there lack of feeling pain time and again? Should your simple truth is sure, please are afflicted with a disorder known neuropath...")
 m   06:49 1993 AIME Problems/Problem 4‎ (diff | hist) . . (+36)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3)
 m   06:23 2007 AMC 8 Problems‎‎ (2 changes | history) . . (+16)‎ . . [MRENTHUSIASM‎ (2×)] m 06:23 (cur | prev) . . (+55)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 8: Found the correct wording in Ivy League Test. Added in the line segment symbols.) m 06:16 (cur | prev) . . (-39)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 8: Fixed LaTeX.)
 m   06:22 2007 AMC 8 Problems/Problem 8‎‎ (2 changes | history) . . (+46)‎ . . [MRENTHUSIASM‎ (2×)] m 06:22 (cur | prev) . . (+55)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem) m 06:17 (cur | prev) . . (-9)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem: Fixed LaTeX.)
 N    03:27 User:Meathough‎‎ (2 changes | history) . . (+3,727)‎ . . m 03:27 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 03:20 (cur | prev) . . (+3,634)‎ . . Meathough (talk | contribs) (Created page with "'''Why Using Legal Steroids Is Important''' It seems that almost everyone has becoming a maker for the reason that everybody is doing the job often it is applying a great...")
 N    03:03 User:Dovesche‎‎ (2 changes | history) . . (+3,526)‎ . . [MRENTHUSIASM‎; Dovesche‎] m 03:03 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 00:50 (cur | prev) . . (+3,433)‎ . . Dovesche (talk | contribs) (Created page with "Are You Interested In Nerve Support? Have you been struggling with extreme nerve pain when you experience difficulties? In case a reality yes, then you could battle with neur...")
 m   02:08 User:Cozzmo‎ (diff | hist) . . (-1)‎ . . Piphi (talk | contribs)
 02:08 GMAAS‎ (diff | hist) . . (+84,925)‎ . . Piphi (talk | contribs) (Undo revision 158831 by Sigmapie (talk)) (Tag: Undo)
 m   00:11 1993 AIME Problems‎ (diff | hist) . . (-67)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 7)

#### 21 July 2021

 22:16 User:Jiang147369‎ (diff | hist) . . (+48)‎ . . Jiang147369 (talk | contribs)
 22:15 1975 AHSME Problems/Problem 17‎ (diff | hist) . . (+1,141)‎ . . Jiang147369 (talk | contribs)
 22:06 2019 AMC 10B Problems/Problem 23‎ (diff | hist) . . (+106)‎ . . Cellsecret (talk | contribs) (→‎Video Solution by TheBeautyofMath)
 21:39 User:Cozzmo‎‎ (2 changes | history) . . (0)‎ . . [Gryffin08‎; Jiang147369‎] 21:39 (cur | prev) . . (0)‎ . . Jiang147369 (talk | contribs) (→‎Viewer Count) m 15:35 (cur | prev) . . (0)‎ . . Gryffin08 (talk | contribs) (→‎Viewer Count)
 N    20:09 2021 IMO Problems/Problem 1‎‎ (3 changes | history) . . (+3,993)‎ . . [Lll2019‎; Mathdreams‎ (2×)] 20:09 (cur | prev) . . (+186)‎ . . Lll2019 (talk | contribs) m 11:10 (cur | prev) . . (+14)‎ . . Mathdreams (talk | contribs) (→‎Solution) N 10:45 (cur | prev) . . (+3,793)‎ . . Mathdreams (talk | contribs) (Created page with "==Problem== Let $n \geqslant 100$ be an integer. Ivan writes the numbers $n, n+1, \ldots, 2 n$ each on different cards. He then shuffles these $n+1<...")  m 19:12 2021 AMC 10A Problems/Problem 20‎ (diff | hist) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2 (Enumeration with Symmetry))  m 17:51 2019 AMC 8 Problems/Problem 18‎‎ (6 changes | history) . . (-2)‎ . . [Putu2003‎ (6×)] m 17:51 (cur | prev) . . (+11)‎ . . Putu2003 (talk | contribs) (→‎Solution 1) m 17:50 (cur | prev) . . (+12)‎ . . Putu2003 (talk | contribs) (→‎Solution 1) m 17:50 (cur | prev) . . (+9)‎ . . Putu2003 (talk | contribs) (→‎Solution 1) m 17:47 (cur | prev) . . (-12)‎ . . Putu2003 (talk | contribs) (→‎Solution 1) m 17:46 (cur | prev) . . (+2)‎ . . Putu2003 (talk | contribs) (→‎Solution 1) m 17:44 (cur | prev) . . (-24)‎ . . Putu2003 (talk | contribs) (→‎Solution 1)  15:34 Blueclay‎ (diff | hist) . . (+824)‎ . . Gryffin08 (talk | contribs)  15:32 2013 AIME II Problems/Problem 6‎‎ (12 changes | history) . . (+1,038)‎ . . [Yuxiaomatt‎ (12×)] m 15:32 (cur | prev) . . (+42)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:29 (cur | prev) . . (0)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:26 (cur | prev) . . (+3)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:24 (cur | prev) . . (0)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:24 (cur | prev) . . (+4)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:21 (cur | prev) . . (-16)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:20 (cur | prev) . . (0)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 15:20 (cur | prev) . . (-222)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 14:37 (cur | prev) . . (-2)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) 14:37 (cur | prev) . . (+1,053)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 14:17 (cur | prev) . . (+160)‎ . . Yuxiaomatt (talk | contribs) (→‎Solution 4) m 14:15 (cur | prev) . . (+16)‎ . . Yuxiaomatt (talk | contribs) (→‎Solutions)  N 15:25 Category talk:Famous mathematicians‎ (diff | hist) . . (+219)‎ . . Gryffin08 (talk | contribs) (Created page with "I feel like there should be one on Maryam Mirzakhani. She was the first female to win the Fields Medal, and that is nothing to scoff at!~~~~")  m 15:19 GMAAS‎ (diff | hist) . . (-84,925)‎ . . Sigmapie (talk | contribs) (Replaced content with "Gmaas is a hoax") (Tag: Replaced)  13:45 2009 AMC 10A Problems/Problem 5‎ (diff | hist) . . (-24)‎ . . Enderramsby (talk | contribs) (→‎Solution 2)  N 13:27 User:Peascer‎‎ (2 changes | history) . . (+3,473)‎ . . [Peascer‎; MRENTHUSIASM‎] 13:27 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 09:57 (cur | prev) . . (+3,380)‎ . . Peascer (talk | contribs) (Created page with "Highly Informative Details Regarding Epicwin With the gambling whole world, some people want to take the perils associated with their cash because they must victory way more...")  N 13:27 User:Billend‎‎ (2 changes | history) . . (+3,575)‎ . . [MRENTHUSIASM‎; Billend‎] 13:27 (cur | prev) . . (+94)‎ . . MRENTHUSIASM (talk | contribs) N 07:22 (cur | prev) . . (+3,481)‎ . . Billend (talk | contribs) (Created page with "'''Are You Curious To Learn About Liver''' The human body is filled a few vital organs the fact that engage in a vital role in the event that step arrives to your health of...")  N 13:27 User:Tonatelm‎‎ (2 changes | history) . . (+3,885)‎ . . [Tonatelm‎; MRENTHUSIASM‎] 13:27 (cur | prev) . . (+94)‎ . . MRENTHUSIASM (talk | contribs) N 05:37 (cur | prev) . . (+3,791)‎ . . Tonatelm (talk | contribs) (Created page with "'''Best Immunity Supplements Have Lot To Offer So You Must Check The Out''' At the time you find infected with the virus through process of distinctive airborne bacteria an...")  m 12:01 2021 AMC 12B Problems/Problem 25‎ (diff | hist) . . (-66)‎ . . Erics118 (talk | contribs) (→‎Solution 4: solution had a few extra steps, and i removed them)  m 11:51 2021 AMC 12B Problems/Problem 15‎ (diff | hist) . . (+46)‎ . . Erics118 (talk | contribs) (→‎Solution 2: make the unused points lighter and put in background)  10:46 2000 JBMO Problems/Problem 1‎ (diff | hist) . . (+19)‎ . . Abstractionism (talk | contribs) (→‎Solution 1)  m 10:38 1987 AIME Problems/Problem 14‎ (diff | hist) . . (0)‎ . . Rg ryse (talk | contribs)  m 10:21 2015 AMC 10B Problems/Problem 25‎ (diff | hist) . . (+4)‎ . . Bakedpotato66 (talk | contribs) (→‎Solution 2)  08:47 Proofs of AM-GM‎ (diff | hist) . . (+22)‎ . . Naenaendr (talk | contribs) (→‎Alternate Proof by Convexity: Fixing Parentheses)  07:19 Jyotiraditya Jadhav‎ (diff | hist) . . (+1,006)‎ . . Jyotiraditya123 (talk | contribs) (→‎Researches)  N 06:58 Jadhav Prime Quadratic Theorem‎‎ (2 changes | history) . . (+3,143)‎ . . [Jyotiraditya123‎ (2×)] 06:58 (cur | prev) . . (+805)‎ . . Jyotiraditya123 (talk | contribs) (→‎Historical Note) N 05:27 (cur | prev) . . (+2,338)‎ . . Jyotiraditya123 (talk | contribs) (Created page with "In Mathematics, '''Jadhav's Prime Quadratic Theorem''' is based on '''[https://en.wikipedia.org/wiki/Algebra Algebra]''' and '''[https://en.wikipedia.org/wiki/Number_theory Nu...")  06:41 IMO Problems and Solutions‎ (diff | hist) . . (+73)‎ . . Test20 (talk | contribs)  N 01:46 User:Wissald‎‎ (2 changes | history) . . (+3,659)‎ . . [Wissald‎; MRENTHUSIASM‎] m 01:46 (cur | prev) . . (+94)‎ . . MRENTHUSIASM (talk | contribs) N 01:44 (cur | prev) . . (+3,565)‎ . . Wissald (talk | contribs) (Created page with "'''How To Make Best Possible Use Of Nerve Support''' In recent times, nerve problems has really become regular for those being a fastpaced life set due to the fact on work...") #### 20 July 2021  23:15 User:Piphi‎‎ (2 changes | history) . . (0)‎ . . [Mobro‎; Piphi‎] 23:15 (cur | prev) . . (-4)‎ . . Piphi (talk | contribs) (Undo revision 158803 by Mobro (talk)) (Tag: Undo) 18:29 (cur | prev) . . (+4)‎ . . Mobro (talk | contribs) (→‎User Count)  22:40 LaTeX:Symbols‎ (diff | hist) . . (+1)‎ . . Sonone (talk | contribs) (→‎Finding Other Symbols)  17:38 Mathematics websites‎‎ (7 changes | history) . . (0)‎ . . [Eh2008‎ (7×)] m 17:38 (cur | prev) . . (-89)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) 17:34 (cur | prev) . . (+14)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) m 17:33 (cur | prev) . . (-2)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) m 17:32 (cur | prev) . . (+2)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) m 17:32 (cur | prev) . . (+17)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) 17:31 (cur | prev) . . (+8)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts) m 17:30 (cur | prev) . . (+50)‎ . . Eh2008 (talk | contribs) (→‎Websites For Math Enthusiasts)  16:58 Nonnegative number‎ (diff | hist) . . (-61)‎ . . Rayford (talk | contribs)  16:42 1999 AIME Problems/Problem 6‎‎ (2 changes | history) . . (-83)‎ . . 16:42 (cur | prev) . . (-189)‎ . . Rp3.1415 (talk | contribs) 16:36 (cur | prev) . . (+106)‎ . . Samrocksnature (talk | contribs) (→‎Solution)  m 15:48 2021 AMC 10B Problems/Problem 7‎ (diff | hist) . . (+54)‎ . . MRENTHUSIASM (talk | contribs) (Colored the diagram so it makes things clearer.)  14:47 User:Jiang147369‎ (diff | hist) . . (+48)‎ . . Jiang147369 (talk | contribs) (→‎1976 AHSME)  N 14:46 1976 AHSME Problems/Problem 15‎ (diff | hist) . . (+1,330)‎ . . Jiang147369 (talk | contribs) (Created page with "== Problem 15 == If [itex]r$ is the remainder when each of the numbers $1059,~1417$, and $2312$ is divided by $d$, where $d$...")
 N    13:50 User:Angeladewibong‎‎ (2 changes | history) . . (+305)‎ . . m 13:50 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 13:23 (cur | prev) . . (+212)‎ . . Angeladewibong (talk | contribs) (Created page with "[https://www.manannan.net/ Situs Judi Slot Online] Terpercaya sudah sangat terkenal di seluruh provinsi yang ada di indonesia karena para pemain Judi Slot Online Terbaik mengg...")
 m   09:37 Help:Math‎ (diff | hist) . . (0)‎ . . Skrill 42 (talk | contribs) (→‎Useful Codes)
 09:32 2009 AMC 10A Problems/Problem 5‎‎ (2 changes | history) . . (-9)‎ . . [Alexanderchew12‎ (2×)] 09:32 (cur | prev) . . (-7)‎ . . Alexanderchew12 (talk | contribs) (→‎Solution 1) 09:32 (cur | prev) . . (-2)‎ . . Alexanderchew12 (talk | contribs) (→‎Problem)
 05:18 2016 AMC 10B Problems/Problem 16‎ (diff | hist) . . (+747)‎ . . Pythzhou (talk | contribs)
 02:40 2014 AIME I Problems/Problem 3‎‎ (2 changes | history) . . (+447)‎ . . [Thebeast5520‎ (2×)] 02:40 (cur | prev) . . (+8)‎ . . Thebeast5520 (talk | contribs) (→‎Solution 6) 02:39 (cur | prev) . . (+439)‎ . . Thebeast5520 (talk | contribs)
 m   01:49 2018 AMC 10A Problems/Problem 21‎‎ (2 changes | history) . . (-16)‎ . . [Jkim1011‎ (2×)] m 01:49 (cur | prev) . . (-3)‎ . . Jkim1011 (talk | contribs) (→‎Solution 9) m 01:48 (cur | prev) . . (-13)‎ . . Jkim1011 (talk | contribs) (→‎Solution 9)
 N    00:49 User:Ardundine‎‎ (2 changes | history) . . (+3,393)‎ . . m 00:49 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 00:44 (cur | prev) . . (+3,300)‎ . . Ardundine (talk | contribs) (Created page with "'''Best CBD Creams Have Lot To Offer So You Must Check The Out''' Recent review shows multitude of people dealing with long-term serious pain in his or her adulthood, whilst...")
 m   00:48 2021 AMC 12A Problems/Problem 21‎ (diff | hist) . . (+13)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3)

#### 19 July 2021

 m   23:01 User:Icewolf10‎ (diff | hist) . . (-8)‎ . . Icewolf10 (talk | contribs)
 22:26 2020 AMC 12A Problems/Problem 6‎‎ (2 changes | history) . . (+147)‎ . . [MRENTHUSIASM‎ (2×)] 22:26 (cur | prev) . . (+145)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2 (Analytical)) m 21:39 (cur | prev) . . (+2)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1 (Graphical))
 m   20:59 1976 AHSME Problems/Problem 27‎ (diff | hist) . . (+15)‎ . . Jiang147369 (talk | contribs) (→‎Solution: (fixed formatting))
 20:58 1991 AIME Problems/Problem 12‎‎ (3 changes | history) . . (-1)‎ . . [Samrocksnature‎ (3×)] 20:58 (cur | prev) . . (0)‎ . . Samrocksnature (talk | contribs) (→‎Solution) 20:58 (cur | prev) . . (0)‎ . . Samrocksnature (talk | contribs) (→‎Solution) 20:57 (cur | prev) . . (-1)‎ . . Samrocksnature (talk | contribs) (→‎Solution)
 20:55 User:Jiang147369‎‎ (3 changes | history) . . (+630)‎ . . [Jiang147369‎ (3×)] 20:55 (cur | prev) . . (+48)‎ . . Jiang147369 (talk | contribs) (→‎1976 AHSME) 19:48 (cur | prev) . . (+1)‎ . . Jiang147369 (talk | contribs) (→‎Contributions) 19:43 (cur | prev) . . (+581)‎ . . Jiang147369 (talk | contribs) (→‎Proof of 9 + 10 = 21)
 N    20:54 1976 AHSME Problems/Problem 21‎ (diff | hist) . . (+1,201)‎ . . Jiang147369 (talk | contribs) (Created page with "== Problem 21 == What is the smallest positive odd integer $n$ such that the product $2^{1/7}2^{3/7}\cdots2^{(2n+1)/7}$ is greater than 1000  19:39 User:MRENTHUSIASM‎‎ (3 changes | history) . . (+86)‎ . . [Pekka‎; MRENTHUSIASM‎; Jiang147369‎] 19:39 (cur | prev) . . (0)‎ . . Pekka (talk | contribs) (→‎User Count) 19:05 (cur | prev) . . (0)‎ . . Jiang147369 (talk | contribs) (→‎User Count) m 07:22 (cur | prev) . . (+86)‎ . . MRENTHUSIASM (talk | contribs) (→‎2021 AMC 10A)  19:16 User:Flamekhoemberish‎ (diff | hist) . . (0)‎ . . Jiang147369 (talk | contribs) (→‎User Count)  18:46 2021 AMC 10A Problems/Problem 21‎‎ (7 changes | history) . . (+1,119)‎ . . [MRENTHUSIASM‎ (7×)] m 18:46 (cur | prev) . . (+36)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution) m 15:19 (cur | prev) . . (-48)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution) m 07:37 (cur | prev) . . (+21)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution) m 07:21 (cur | prev) . . (+598)‎ . . MRENTHUSIASM (talk | contribs) (Made the solution more aligned to the diagram. I will give credit to Sugar Rush as the primary author.) m 06:45 (cur | prev) . . (+285)‎ . . MRENTHUSIASM (talk | contribs) m 05:48 (cur | prev) . . (+112)‎ . . MRENTHUSIASM (talk | contribs) (Added in diagram.) 04:15 (cur | prev) . . (+115)‎ . . MRENTHUSIASM (talk | contribs)  m 18:46 2021 USAMO‎ (diff | hist) . . (-4)‎ . . Dottedcaculator (talk | contribs)  m 16:29 Mock AIME 2 2010 Answer Key‎ (diff | hist) . . (-18)‎ . . Han2021 (talk | contribs) (→‎Problem 1)  m 14:41 2017 AMC 8 Problems/Problem 22‎ (diff | hist) . . (-24)‎ . . Redjack-512 (talk | contribs) (→‎Solution 1)  14:36 (Block log) . . Jwelsh (talk | contribs) blocked Dangdang8888 (talk | contribs) with an expiration time of indefinite (account creation disabled) ‎(Removing content from pages)  14:21 2017 USAMO Problems/Problem 5‎ (diff | hist) . . (0)‎ . . Sujaykazi (talk | contribs) (→‎Solution (INCOMPLETE))  13:26 1955 AHSME Problems/Problem 39‎ (diff | hist) . . (+289)‎ . . Aopspandy (talk | contribs)  13:05 2016 AMC 12A Problems/Problem 16‎ (diff | hist) . . (-14)‎ . . Mobius247 (talk | contribs) (→‎Solution 2)  m 12:48 2017 AMC 8 Problems/Problem 16‎ (diff | hist) . . (+8)‎ . . Putu2003 (talk | contribs) (→‎Solution 1)  m 10:21 2015 AMC 10A Problems/Problem 14‎‎ (5 changes | history) . . (+1,231)‎ . . [Bakedpotato66‎ (5×)] m 10:21 (cur | prev) . . (+1)‎ . . Bakedpotato66 (talk | contribs) (→‎See Also) m 10:21 (cur | prev) . . (+109)‎ . . Bakedpotato66 (talk | contribs) (→‎See Also) m 10:20 (cur | prev) . . (+82)‎ . . Bakedpotato66 (talk | contribs) (→‎Video Solution 1) m 10:19 (cur | prev) . . (+377)‎ . . Bakedpotato66 (talk | contribs) (→‎Solution 7) m 10:17 (cur | prev) . . (+662)‎ . . Bakedpotato66 (talk | contribs) (→‎Solution 6)  m 07:53 2021 AIME II Problems/Problem 2‎‎ (3 changes | history) . . (+154)‎ . . [MRENTHUSIASM‎ (3×)] m 07:53 (cur | prev) . . (+59)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2: Used the align* command to format the equation. They are lined up to the equal sign now. Also, I made the parentheses auto-sizing.) m 07:40 (cur | prev) . . (+78)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Similar Triangles): Made expressions in LaTeX.) m 06:28 (cur | prev) . . (+17)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1 (Area Formulas for Triangles))  m 07:23 2021 AMC 10A Problems/Problem 19‎‎ (2 changes | history) . . (+6)‎ . . [MRENTHUSIASM‎ (2×)] m 07:23 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎Video Solution (Using absolute value properties to graph)) m 07:23 (cur | prev) . . (+6)‎ . . MRENTHUSIASM (talk | contribs) (→‎Remark)  05:45 (Upload log) . . MRENTHUSIASM (talk | contribs) uploaded File:2021 AMC 10A Problem 21 Diagram.png ‎  N 05:44 User:Whirakem‎‎ (2 changes | history) . . (+3,561)‎ . . [Whirakem‎; MRENTHUSIASM‎] m 05:44 (cur | prev) . . (+93)‎ . . MRENTHUSIASM (talk | contribs) N 05:42 (cur | prev) . . (+3,468)‎ . . Whirakem (talk | contribs) (Created page with "Be At The Top Of World With Best Delta-8 Gummies A large number of rrndividuals are getting not needed pressure, with the result that these people aren’t able to find the r...")  N 04:18 User:Essatat‎‎ (2 changes | history) . . (+3,720)‎ . . [MRENTHUSIASM‎; Essatat‎] 04:18 (cur | prev) . . (+94)‎ . . MRENTHUSIASM (talk | contribs) N 03:37 (cur | prev) . . (+3,626)‎ . . Essatat (talk | contribs) (Created page with "Blood Sugar – Have You Checked Out The Vital Aspects? Them doesn’t make a difference if you're young or old, because blood sugar levels can easily climb within every age...")  02:59 Basic Programming With Python‎‎ (3 changes | history) . . (+1)‎ . . [Crazycat30‎ (3×)] 02:59 (cur | prev) . . (+2)‎ . . Crazycat30 (talk | contribs) (→‎Program Example 5) m 02:39 (cur | prev) . . (-2)‎ . . Crazycat30 (talk | contribs) (→‎Splitting Lists) m 02:38 (cur | prev) . . (+1)‎ . . Crazycat30 (talk | contribs) (→‎Splitting Lists)  m 01:27 2017 AMC 8 Problems/Problem 14‎‎ (3 changes | history) . . (-149)‎ . . [Putu2003‎ (3×)] m 01:27 (cur | prev) . . (+4)‎ . . Putu2003 (talk | contribs) (→‎Solution 2) m 01:27 (cur | prev) . . (-38)‎ . . Putu2003 (talk | contribs) (→‎Solution 2) m 01:25 (cur | prev) . . (-115)‎ . . Putu2003 (talk | contribs) (→‎Solution 2) #### 18 July 2021  m 23:58 2011 AMC 12A Problems/Problem 7‎ (diff | hist) . . (+2)‎ . . Jcl-12 (talk | contribs) (→‎Problem)  23:32 2018 AIME I Problems/Problem 13‎‎ (2 changes | history) . . (+8)‎ . . [Mathislife52‎ (2×)] 23:32 (cur | prev) . . (-1)‎ . . Mathislife52 (talk | contribs) (→‎Solution 2 (A lengthier, but less trigonometric, approach)) 23:31 (cur | prev) . . (+9)‎ . . Mathislife52 (talk | contribs) (→‎Solution 2 (A more elegant, but lengthy, approach))  m 22:23 2015 AMC 10A Problems/Problem 18‎ (diff | hist) . . (+1)‎ . . Dramaticflosskid (talk | contribs) (→‎Solution)  m 22:06 2000 AMC 12 Problems/Problem 14‎ (diff | hist) . . (+51)‎ . . StellarG (talk | contribs) (→‎Solution)  22:06 2000 AMC 12 Problems/Problem 13‎ (diff | hist) . . (+29)‎ . . StellarG (talk | contribs) (→‎Video Solution)  m 22:05 2000 AMC 12 Problems/Problem 12‎ (diff | hist) . . (+51)‎ . . StellarG (talk | contribs) (→‎Solution 3)  m 21:45 2021 AIME II Problems/Problem 1‎‎ (5 changes | history) . . (+383)‎ . . [MRENTHUSIASM‎ (5×)] m 21:45 (cur | prev) . . (+273)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 4 (Very, Very Easy and Quick): Made the solution in LaTeX and fixed some potential confusion. I also addressed that this solution is similar to Solution 2.) m 21:37 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2) m 19:25 (cur | prev) . . (+130)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 2: Revised in LaTeX) m 19:19 (cur | prev) . . (-14)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1: Made the solution more concise.) m 19:12 (cur | prev) . . (-6)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3 (Symmetry and Generalization))  m 21:44 G285 2021 Fall Problem Set Problem 8‎‎ (2 changes | history) . . (+28)‎ . . [Geometry285‎ (2×)] m 21:44 (cur | prev) . . (+6)‎ . . Geometry285 (talk | contribs) (→‎Solution) m 21:43 (cur | prev) . . (+22)‎ . . Geometry285 (talk | contribs) (→‎Problem)  m 21:43 G285 2021 Fall Problem Set‎ (diff | hist) . . (+22)‎ . . Geometry285 (talk | contribs) (→‎Problem 8)  m 21:40 2015 AMC 10A Problems/Problem 7‎ (diff | hist) . . (+8)‎ . . Dramaticflosskid (talk | contribs) (→‎Solution 3)  21:39 CEMC Fryer Contest‎ (diff | hist) . . (+176)‎ . . Pekka (talk | contribs) (→‎Sub-Title)  21:30 2012 AMC 10B Problems/Problem 22‎‎ (2 changes | history) . . (+10)‎ . . [Icematrix‎ (2×)] m 21:30 (cur | prev) . . (+19)‎ . . Icematrix (talk | contribs) 21:29 (cur | prev) . . (-9)‎ . . Icematrix (talk | contribs) (Undo revision 158336 by Dangdang8888 (talk)) (Tag: Undo)  21:20 2009 AMC 10B Problems/Problem 15‎‎ (2 changes | history) . . (+104)‎ . . [Icematrix‎ (2×)] 21:20 (cur | prev) . . (+1)‎ . . Icematrix (talk | contribs) (→‎Video Solution) 21:20 (cur | prev) . . (+103)‎ . . Icematrix (talk | contribs) (→‎Video Solution)  21:13 2012 AMC 10B‎ (diff | hist) . . (+247)‎ . . Icematrix (talk | contribs) (Undo revision 158429 by Dangdang8888 (talk)) (Tag: Undo)  N 20:25 1956 AHSME Problems/Problem 50‎‎ (8 changes | history) . . (+708)‎ . . [Aopspandy‎ (8×)] 20:25 (cur | prev) . . (+3)‎ . . Aopspandy (talk | contribs) (→‎Solution) 20:24 (cur | prev) . . (+12)‎ . . Aopspandy (talk | contribs) (→‎See Also) 20:24 (cur | prev) . . (-12)‎ . . Aopspandy (talk | contribs) (→‎See Also) 20:23 (cur | prev) . . (+10)‎ . . Aopspandy (talk | contribs) (→‎See Also) 20:23 (cur | prev) . . (-13)‎ . . Aopspandy (talk | contribs) (→‎See Also) 20:23 (cur | prev) . . (0)‎ . . Aopspandy (talk | contribs) (→‎See Also) 20:23 (cur | prev) . . (0)‎ . . Aopspandy (talk | contribs) (→‎See Also) N 20:22 (cur | prev) . . (+708)‎ . . Aopspandy (talk | contribs) (Created page with "==Problem== In [itex]\triangle ABC, \overline{CA} = \overline{CB}. On $CB$ square $BCDE$ is constructed away from the triangle. If $x$...")
 19:57 1956 AHSME Problems/Problem 49‎‎ (2 changes | history) . . (+459)‎ . . [Aopspandy‎ (2×)] 19:57 (cur | prev) . . (+119)‎ . . Aopspandy (talk | contribs) 19:55 (cur | prev) . . (+340)‎ . . Aopspandy (talk | contribs)
 m   19:55 User:Flamekhoemberish‎ (diff | hist) . . (0)‎ . . G8l18m (talk | contribs) (→‎User Count)
 19:49 User:MRENTHUSIASM‎‎ (3 changes | history) . . (0)‎ . . [MRENTHUSIASM‎; Alancenwang‎ (2×)] m 19:49 (cur | prev) . . (0)‎ . . MRENTHUSIASM (talk | contribs) (→‎User Count: Don't mess with the user count, thanks.) 19:45 (cur | prev) . . (0)‎ . . Alancenwang (talk | contribs) 19:44 (cur | prev) . . (0)‎ . . Alancenwang (talk | contribs)
 m   19:15 Talk:2020 AMC 12A Problems/Problem 25‎ (diff | hist) . . (+125)‎ . . MRENTHUSIASM (talk | contribs)
 m   19:14 Talk:2021 AIME II Problems/Problem 1‎ (diff | hist) . . (-6)‎ . . MRENTHUSIASM (talk | contribs) (→‎Proof 2 (Generalization of Solution 3))
 m   18:03 Mock Geometry AIME 2011 Problems‎ (diff | hist) . . (+1)‎ . . Pinkpig (talk | contribs) (→‎Problem 14)
 m   16:41 2000 AIME I Problems/Problem 15‎ (diff | hist) . . (+13)‎ . . Mathnerd 101 (talk | contribs) (→‎Solution)
 14:58 2004 AMC 10B Problems/Problem 25‎ (diff | hist) . . (+715)‎ . . Wamofan (talk | contribs) (Added Solution 2)
 12:15 2015 AMC 10B Problems/Problem 25‎ (diff | hist) . . (+5)‎ . . Mobius247 (talk | contribs) (→‎Note)
 12:07 2015 AMC 10B Problems/Problem 21‎ (diff | hist) . . (-4)‎ . . Mobius247 (talk | contribs) (→‎Problem)
 12:04 2015 AMC 10B Problems/Problem 18‎ (diff | hist) . . (+31)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)
 11:58 2015 AMC 10B Problems/Problem 13‎‎ (2 changes | history) . . (+76)‎ . . [Mobius247‎ (2×)] 11:58 (cur | prev) . . (-2)‎ . . Mobius247 (talk | contribs) (→‎Solution 2 (very similar to Solution 1)) 11:57 (cur | prev) . . (+78)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)
 11:55 2015 AMC 10B Problems/Problem 12‎ (diff | hist) . . (+8)‎ . . Mobius247 (talk | contribs) (→‎Solution)
 11:54 2015 AMC 10B Problems/Problem 10‎ (diff | hist) . . (+1)‎ . . Mobius247 (talk | contribs) (→‎Solution)
 10:42 2021 JMPSC Accuracy Problems/Problem 7‎ (diff | hist) . . (+39)‎ . . Bradygho (talk | contribs) (→‎Solution)
 N    07:24 2021 USAMO Problems/Problem 4‎‎ (3 changes | history) . . (+1,182)‎ . . [Satisfiedmagma‎ (3×)] 07:24 (cur | prev) . . (0)‎ . . Satisfiedmagma (talk | contribs) 07:24 (cur | prev) . . (0)‎ . . Satisfiedmagma (talk | contribs) N 07:23 (cur | prev) . . (+1,182)‎ . . Satisfiedmagma (talk | contribs) (Created page with "==Problem== The Planar National Park is a subset of the Euclidean plane consisting of several trails which meet at junctions. Every trail has its two endpoints at two differen...")
 07:21 2021 USAMO Problems/Problem 3‎‎ (5 changes | history) . . (+777)‎ . . [Satisfiedmagma‎ (5×)] 07:21 (cur | prev) . . (-24)‎ . . Satisfiedmagma (talk | contribs) 07:20 (cur | prev) . . (-6)‎ . . Satisfiedmagma (talk | contribs) 07:19 (cur | prev) . . (+15)‎ . . Satisfiedmagma (talk | contribs) 07:19 (cur | prev) . . (+7)‎ . . Satisfiedmagma (talk | contribs) 07:19 (cur | prev) . . (+785)‎ . . Satisfiedmagma (talk | contribs)
 N    00:04 New competitions in P2P‎‎ (2 changes | history) . . (+181)‎ . . [Mm999aops‎ (2×)] 00:04 (cur | prev) . . (+3)‎ . . Mm999aops (talk | contribs) (→‎Math Competitions) N 00:03 (cur | prev) . . (+178)‎ . . Mm999aops (talk | contribs) (Created page with "==Math Competitions== AMC8-AMC10 level math competition on August 14th 2021 1:30 pm PST: https://mathimatika.webflow.io/ mathical: https://mathical.org/ JMPSC: https://jmpsc.org/")
 00:02 Academic competitions‎ (diff | hist) . . (+30)‎ . . Mm999aops (talk | contribs) (→‎Types of academic competitions)
 00:00 Resources for mathematics competitions‎ (diff | hist) . . (+57)‎ . . Mm999aops (talk | contribs) (→‎Training Websites)

#### 17 July 2021

 23:57 Mathematics competitions‎ (diff | hist) . . (+30)‎ . . Mm999aops (talk | contribs) (→‎See also)
 m   23:56 Academic competitions‎ (diff | hist) . . (+27)‎ . . Mm999aops (talk | contribs) (→‎Types of academic competitions)
 21:41 Ali-A‎‎ (2 changes | history) . . (+52)‎ . . [Jingwei325‎ (2×)] m 21:41 (cur | prev) . . (+6)‎ . . Jingwei325 (talk | contribs) 21:41 (cur | prev) . . (+46)‎ . . Jingwei325 (talk | contribs) (Added the suggestion of wiki relevance without dismaying the original poster)
 m   19:37 2004 AMC 12A Problems/Problem 19‎‎ (3 changes | history) . . (-1)‎ . . [MRENTHUSIASM‎ (3×)] m 19:37 (cur | prev) . . (+3)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) m 19:29 (cur | prev) . . (+4)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) m 19:28 (cur | prev) . . (-8)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19)
 m   19:36 2004 AMC 12A Problems‎‎ (4 changes | history) . . (+402)‎ . . [MRENTHUSIASM‎ (4×)] m 19:36 (cur | prev) . . (-20)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) m 19:34 (cur | prev) . . (+23)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) m 19:30 (cur | prev) . . (+257)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 19) m 19:26 (cur | prev) . . (+142)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 17: Added back answer choices.)
 m   19:34 2004 AMC 10A Problems‎‎ (2 changes | history) . . (-82)‎ . . [MRENTHUSIASM‎ (2×)] m 19:34 (cur | prev) . . (+23)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 23) m 19:30 (cur | prev) . . (-105)‎ . . MRENTHUSIASM (talk | contribs) (→‎Problem 23)
 m   19:18 2004 AMC 12A Problems/Problem 22‎ (diff | hist) . . (+12)‎ . . Icematrix (talk | contribs) (→‎Video Solution)
 17:02 Positive integer‎‎ (2 changes | history) . . (0)‎ . . [Krivanm‎ (2×)] 17:02 (cur | prev) . . (+295)‎ . . Krivanm (talk | contribs) 17:01 (cur | prev) . . (-295)‎ . . Krivanm (talk | contribs) (Blanked the page) (Tag: Blanking)
 m   17:00 Positive number‎ (diff | hist) . . (+34)‎ . . Krivanm (talk | contribs)
 m   16:40 User:Supernova283‎‎ (2 changes | history) . . (+30)‎ . . m 16:40 (cur | prev) . . (0)‎ . . Mustache (talk | contribs) (Increased number by one, because this is my first time viewing this page) m 10:45 (cur | prev) . . (+30)‎ . . Littlepetwolf (talk | contribs)
 m   15:56 2015 AMC 8 Problems/Problem 24‎ (diff | hist) . . (+13)‎ . . Tpatil (talk | contribs) (→‎Solution 1)
 15:31 Alcumus‎ (diff | hist) . . (+17)‎ . . Rachanachava (talk | contribs) (→‎Alcumus Subjects)
 13:20 1986 IMO Problems/Problem 3‎ (diff | hist) . . (+1,246)‎ . . Darij grinberg (talk | contribs) (→‎Solution: make the proof more readable)
 13:01 2015 AMC 10A Problems/Problem 4‎ (diff | hist) . . (-2)‎ . . Mobius247 (talk | contribs) (→‎Solution 1)
 N    07:37 User:Ceidyer‎‎ (2 changes | history) . . (+3,752)‎ . . [MRENTHUSIASM‎; Ceidyer‎] 07:37 (cur | prev) . . (+80)‎ . . MRENTHUSIASM (talk | contribs) N 07:35 (cur | prev) . . (+3,672)‎ . . Ceidyer (talk | contribs) (Created page with "'''Why Using Best Male Enhancement Pills Is Important''' A newly released document showed that a large number of the male is battling with love-making dilemmas, for example...")
 m   07:22 2021 AMC 10B Problems/Problem 18‎‎ (2 changes | history) . . (+40)‎ . . [Somebodyyouusedtoknow‎ (2×)] m 07:22 (cur | prev) . . (+39)‎ . . Somebodyyouusedtoknow (talk | contribs) (→‎Solution 7) m 07:21 (cur | prev) . . (+1)‎ . . Somebodyyouusedtoknow (talk | contribs) (→‎Solution 6 (same as solution 1 but with a little more of explanation))
 00:26 2012 AIME I Problems/Problem 13‎‎ (4 changes | history) . . (+573)‎ . . [Shihan‎ (4×)] 00:26 (cur | prev) . . (+6)‎ . . Shihan (talk | contribs) (→‎Solution 1) 00:24 (cur | prev) . . (+1)‎ . . Shihan (talk | contribs) (→‎Solution 1) 00:17 (cur | prev) . . (0)‎ . . Shihan (talk | contribs) (→‎Solution 1) m 00:17 (cur | prev) . . (+566)‎ . . Shihan (talk | contribs) (→‎Solution 1)
 00:14 2012 AIME I Problems/Problem 12‎‎ (2 changes | history) . . (+17)‎ . . [Shihan‎ (2×)] m 00:14 (cur | prev) . . (+3)‎ . . Shihan (talk | contribs) (→‎Solution 1) 00:14 (cur | prev) . . (+14)‎ . . Shihan (talk | contribs) (→‎Solution 1)

#### 16 July 2021

 m   21:19 2021 AIME II Problems/Problem 13‎‎ (2 changes | history) . . (-18)‎ . . [MRENTHUSIASM‎ (2×)] m 21:19 (cur | prev) . . (-16)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 3 (Chinese Remainder Theorem and Binomial Theorem)) m 19:29 (cur | prev) . . (-2)‎ . . MRENTHUSIASM (talk | contribs) (→‎Solution 1)
 19:59 2008 AMC 8 Problems‎‎ (4 changes | history) . . (+44)‎ . . [Hotdogperson1509‎ (4×)] 19:59 (cur | prev) . . (-8)‎ . . Hotdogperson1509 (talk | contribs) (→‎Problem 9) 19:59 (cur | prev) . . (+9)‎ . . Hotdogperson1509 (talk | contribs) (→‎Problem 9) 19:56 (cur | prev) . . (-2)‎ . . Hotdogperson1509 (talk | contribs) (→‎Problem 9) 19:55 (cur | prev) . . (+45)‎ . . Hotdogperson1509 (talk | contribs) (→‎Problem 9)
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