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- 06:01, 25 May 2024 2023 CMO Problems/Problem 6 (hist) [8,703 bytes] Anyu tsuruko (talk | contribs) (Created page with "== Problem == The numbers <math>1,2, \ldots, 99</math> are placed on the vertices of a given regular 99 -gon, with each number appearing exactly once. This arrangement is call...")
- 05:47, 25 May 2024 CMO(CHINA) Problems and Solutions (hist) [888 bytes] Anyu tsuruko (talk | contribs) (Created page with "CMO problems and solutions. *2024 CMO(CHINA) *2023 CMO(CHINA) *2022 CMO(CHINA) *2021 CMO(CHINA) *2020 CMO(CHINA) *2019 CMO(CHINA) *2018 CMO(CHINA...")
- 05:42, 25 May 2024 2023 CMO(CHINA) (hist) [494 bytes] Anyu tsuruko (talk | contribs) (Created page with "The 39rd '''CMO''' was held from November 26 to December 3, 2023. The first link will contain the full set of test problems. The rest will contain each individual problem and...")
- 05:18, 25 May 2024 2023 CMO Problems/Problem 5 (hist) [2,331 bytes] Anyu tsuruko (talk | contribs) (Created page with "In an acute triangle <math>\triangle A B C, K</math> is a point on the extension of <math>B C</math>. Through <math>K</math>, draw lines parallel to <math>A B</math> and <math...")
- 05:16, 25 May 2024 2023 CMO Problems/Problem 4 (hist) [1,628 bytes] Anyu tsuruko (talk | contribs) (Created page with "Let non-negative real numbers <math>a_1, a_2, \ldots, a_{2023}</math> satisfy <cmath> a_1+a_2+\cdots+a_{2023}=100 </cmath> Define <math>N</math> as the number of elements in...")
- 05:09, 25 May 2024 2023 CMO Problems/Problem 3 (hist) [13,317 bytes] Anyu tsuruko (talk | contribs) (Created page with "Given a prime number <math>p \geq 5</math>, let <math>\Omega=\{1,2, \ldots, p\}</math>. For any <math>x, y \in \Omega</math>, define: <cmath> r(x, y)= \begin{cases}y-x, & \tex...")
- 04:42, 25 May 2024 2023 CMO Problems/Problem 2 (hist) [3,198 bytes] Anyu tsuruko (talk | contribs) (Created page with "Find the largest real number <math>C</math> such that for any positive integer <math>n</math> and any real numbers <math>x_1, x_2, \ldots, x_n</math>, the following inequality...")
- 04:19, 25 May 2024 2023 CMO Problems/Problem 1 (hist) [1,251 bytes] Anyu tsuruko (talk | contribs) (Created page with "Find the smallest real number <math>\lambda</math> such that any positive integer <math>n</math> can be expressed as the product of 2023 positive integers <math>n=x_1 x_2 \cdo...")
- 03:17, 25 May 2024 2023 CMO Problems (hist) [3,478 bytes] Anyu tsuruko (talk | contribs) (Created page with "==Day 1== ===Problem 1=== Find the smallest real number \(\lambda\) such that any positive integer \(n\) can be expressed as the product of 2023 positive integers \(n = x_1 x_...")
- 03:06, 25 May 2024 2023 CMO (hist) [0 bytes] Anyu tsuruko (talk | contribs) (Created page with "The 39rd '''CMO''' was held from November 26 to December 3, 2023. The first link will contain the full set of test problems. The rest will contain each individual problem and...")
- 02:39, 25 May 2024 2024 CMO(CHINA) (hist) [476 bytes] Anyu tsuruko (talk | contribs) (Created page with "The 40rd '''CMO''' was held on XX and XX, 2024. The first link will contain the full set of test problems. The rest will contain each individual problem and its solution. 2...")
- 02:29, 25 May 2024 CMO (China Mathematics Olympiad 中国数学奥林匹克) (hist) [888 bytes] Anyu tsuruko (talk | contribs) (Created page with "CMO problems and solutions. *2024 CMO(CHINA) *2023 CMO(CHINA) *2022 CMO(CHINA) *2021 CMO(CHINA) *2020 CMO(CHINA) *2019 CMO(CHINA) *2018 CMO(CHINA...")
- 16:34, 24 May 2024 Mock AIME 2 Pre 2005 Problems/Problem 7 (hist) [543 bytes] Anyu tsuruko (talk | contribs) (Created page with "== Solution == The number of ways to choose 2 suits: \(\binom{4}{2} = 6\) The number of ways to distribute 26 cards to Reid and Po-Ru: \(\binom{26}{13}\) The number of...")
- 13:02, 22 May 2024 Ireland mathematics competitions (hist) [651 bytes] Smath1 (talk | contribs) (Created started sections, will add more later.)
- 16:24, 19 May 2024 1990 APMO Problems/Problem 1 (hist) [1,019 bytes] Multpi12 (talk | contribs) (Created page with "Let .I be the intersection of" AG and EF. Let 6 = AI.IG - FI.IE. Then AI:ADlz, IG:ADl6, FI:BCl4:IE. (1) Fur"ther, applying the cosine rule to triangles ABD, ACD we get i AB2 :...")
- 21:14, 18 May 2024 1997 IMO Problems (hist) [124 bytes] Arcticturn (talk | contribs) (Created page with "Find all pairs <math>(a,b)</math> of integers <math>a,b \ge 1</math> that satisfy the equation <math>a^{b^{2}}=b^{a}</math>")
- 16:10, 15 May 2024 2025 AMC 8 Problems/Problem 12 (hist) [9 bytes] Calculuslover (talk | contribs) (Created page with "wait what")
- 19:12, 13 May 2024 2024 AIME I Math Jam Transcript (hist) [117 bytes] Zhenghua (talk | contribs) (Created page with "To find the Math Jam Transcript, visit this link https://artofproblemsolving.com/school/mathjams-transcripts?id=682")
- 10:55, 10 May 2024 Product-to-sum and Sum-to-Product identities (hist) [1,012 bytes] Shadow sniper (talk | contribs) (Created page with "==Sum-to-Product identities== Here are the sum-to-product identities: \begin{align*} \sin (x) + \sin (y) &= 2 \sin \left(\frac{x + y}{2}\right) \cos \left(\frac{x - y}{2}\rig...")
- 14:53, 8 May 2024 Mock AIME 2 2010 Problems/Problem 10 (hist) [71 bytes] Gmathperezl152 (talk | contribs) (Created page with "What is the smallest possible value of x such that 2x^2+24x-60=x(x+13)?")
- 00:16, 8 May 2024 Luckypotatopoo (hist) [148 bytes] Luckypotatopoo (talk | contribs) (Created page with "User luckypotatopoo is orz. His FTW rating is 143469, he was awarded an IMO gold medal, and he has contributed information on many AOPS pages. ORZ!!")
- 19:22, 7 May 2024 Chain (hist) [58 bytes] Zhenghua (talk | contribs) (Created page with "A chain is a sequence of items that are connected somehow.")
- 14:55, 6 May 2024 Time (Python) (hist) [925 bytes] Solver-of-problems (talk | contribs) (→Time Module(Python))
- 17:39, 5 May 2024 2004 IMO Shortlist Problems/G1 (hist) [544 bytes] Dr.poe98 (talk | contribs) (Created page with "1. Let <math>ABC</math> be an acute-angled triangle with <math>AB\neq AC</math>. The circle with diameter <math>BC</math> intersects the sides <math>AB</math> and <math>AC</ma...")
- 06:14, 5 May 2024 2001 Romanian NMO Problems/Grade 7/Problem 1 (hist) [1 byte] Fawad-a.k (talk | contribs) (Created page with "f")
- 12:18, 2 May 2024 2023 IOQM/Problem 11 (hist) [1,482 bytes] L13832 (talk | contribs) (Created page with "==Problem== A positive integer <math>m</math> haas the property that <math>m^2</math> is expressible in the form <math>4n^2-5n+16</math>, where n is an integer. Find the maxim...")
- 11:49, 2 May 2024 2023 IOQM/Problem 22 (hist) [573 bytes] L13832 (talk | contribs) (Created page with "==Problem== In an equilateral triangle of side length 6, pegs are placed at the vertices and also evenly along each side at a distance of 1 from each other. Four distinct pegs...")
- 15:22, 1 May 2024 2023 IOQM/Problem 16 (hist) [1,230 bytes] L13832 (talk | contribs) (Created page with "==Problem== The sides of a convex hexagon <math>A_1A_2A_3A_4A_5A_6</math> are coloured red. Each of the diagonal of the hexagon is coloured red or blue. If N is the number of...")
- 09:45, 1 May 2024 Decembersnow13 (hist) [25 bytes] Decembersnow13 (talk | contribs) (Created page with "Decembersnow13 is amazing")
- 02:28, 1 May 2024 Monad (hist) [70 bytes] Yaoaops (talk | contribs) (Created page with "A '''monad''' is a monoid in the category of endofunctors.")
- 02:39, 30 April 2024 2019 AMC 10 (hist) [0 bytes] Glowworm (talk | contribs) (Never gonna give you up)
- 17:53, 29 April 2024 Lillian (hist) [29 bytes] Catcumber (talk | contribs) (Created page with "a plural 2 dimensional object")
- 23:34, 28 April 2024 2023 IOQM/Problem 12 (hist) [1,346 bytes] Iamactuallybadatmath (talk | contribs) (p₂ + 2p₁ - 3p₀ = 18)
- 23:34, 27 April 2024 PDoNot (hist) [846 bytes] Catcumber (talk | contribs) (Created page with "origins: unknown... or is it?")
- 22:12, 27 April 2024 2023 IOQM/Problem 7 (hist) [964 bytes] L13832 (talk | contribs) (Created page with "==Problem 7== Unconventional dice are to be designed such that the six faces are marked with numbers from <math>1</math> to <math>6</math> with <math>1</math> and <math>2</mat...")
- 22:10, 27 April 2024 2023 IOQM/Problem 8 (hist) [1,403 bytes] L13832 (talk | contribs) (Created page with "==Problem 8== Given a 2 x 2 tile and seven dominoes (2 x 1 tile), find the number of ways of tilling a 2 x 7 rectangle using some of these tiles. ==Solution== Let <math>a_n</m...")
- 19:22, 27 April 2024 Curve (hist) [12 bytes] Aaron24 (talk | contribs) (Created page with "Deleted Page")
- 19:15, 27 April 2024 Programming books (hist) [268 bytes] Aaron24 (talk | contribs) (Created page with "Here are some books approved by the AoPS administration: 1.1 Blank Subtitle Add book here. Add description. 1.2 Blank Subtitle Add book here. Add description. 1.3 Blank Su...")
- 19:10, 27 April 2024 Informatics books (hist) [60 bytes] Aaron24 (talk | contribs) (Created page with "This page sadly does not exist maybe next time. PageNotFound")
- 13:47, 25 April 2024 2024 INMO (hist) [1,548 bytes] L13832 (talk | contribs) (Created page with "==Problem 1 \text {In} triangle ABC with <math>CA=CB</math>, \text{point E lies on the circumcircle of} \text{triangle ABC such that} <math>\angle ECB=90^\circ</math>. \text{...")
- 23:54, 23 April 2024 2025 USAMO Problems (hist) [45 bytes] Mathkatanareal (talk | contribs) (Created page with "2025 USAMO doesn't exist yet! Come back soon!")
- 17:51, 23 April 2024 2005 iTest Problems/Problem 2 (hist) [34 bytes] Scthecool (talk | contribs) (solution)
- 17:50, 23 April 2024 2005 iTest Problems/Problem 1 (hist) [9 bytes] Scthecool (talk | contribs) (Created page with "It's 5034 don't be sped")
- 12:35, 23 April 2024 Power of a point theorem (hist) [6,577 bytes] Sawyerj09 (talk | contribs) (Power of a Point (Olympiad Geo))
- 10:53, 23 April 2024 2005 iTest Problems (hist) [25,155 bytes] Clarkculus (talk | contribs) (Created page with "==Short Answer Section== ===Problem 1=== During the <math>2005</math> iTest, you will be introduced to Joe and Kathryn, two high school seniors. If <math>J</math> is the num...")
- 09:40, 23 April 2024 2006 iTest Problems/Problem 35 (hist) [2,280 bytes] Clarkculus (talk | contribs) (Created page with "===Problem 35=== Compute the <math>\textit{number}</math> of ordered quadruples <math>(w,x,y,z)</math> of complex numbers (not necessarily nonreal) such that the following sy...")
- 12:35, 19 April 2024 2000 IMO Problems (hist) [3,415 bytes] Soviet union1917 (talk | contribs) (Created page with "== Problem 1 == Two circles <math>G_1</math> and <math>G_2</math> intersect at two points <math>M</math> and <math>N</math>. Let <math>AB</math> be the line tangent to these c...")
- 17:40, 18 April 2024 Kinetic energy (hist) [304 bytes] Altonz118 (talk | contribs) (Created page with "==Kinetic Energy== Simply put, kinetic energy is the amount of movement energy an object possesses. It is given by the formula K=1/2*mass*velocity^2. Notable theorems include...")
- 17:37, 18 April 2024 Potential energy (hist) [343 bytes] Altonz118 (talk | contribs) (Created page with "==Potential Energy== Potential energy is quite literally the amount of energy an object has relative to its potential. The most common type of potential energy is gravitation...")
- 07:46, 18 April 2024 A.chepuri (hist) [91 bytes] A.chepuri (talk | contribs) (YALL QUIT AOPS)