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• 2006 AMC 12B Problems/Problem 20
  == Problem == \mathrm{(B)}\ \frac 3{20}
  3 KB (485 words) - 14:09, 21 May 2021
• 2006 AMC 12A Problems/Problem 20
  ...ate|[[2006 AMC 12A Problems|2006 AMC 12A #20]] and [[2006 AMC 10A Problems/Problem 25|2006 AMC 10A #25]]}} == Problem ==
  8 KB (1,443 words) - 06:49, 7 March 2025
• 2005 AMC 12A Problems/Problem 20
  == Problem ==
  3 KB (437 words) - 23:49, 28 September 2022
• 2005 AMC 12B Problems/Problem 20
  == Problem == <cmath>(0, 2, 4, 5, 9, 11, 13, 20)</cmath>
  3 KB (584 words) - 01:17, 17 July 2024
• 2006 AMC 10A Problems/Problem 20
  == Problem ==
  1 KB (187 words) - 08:21, 17 March 2023
• 2006 AMC 10B Problems/Problem 20
  == Problem == <math> AD = \sqrt{ (8-6)^2 + (-42-(-22))^2 } = \sqrt{ (2)^2 + (-20)^2 } = 2\sqrt{101} </math>
  4 KB (594 words) - 15:45, 30 July 2023
• 2005 AMC 10B Problems/Problem 20
  == Problem ==
  3 KB (426 words) - 21:48, 1 September 2024
• University of South Carolina High School Math Contest/1993 Exam/Problem 20
  == Problem == ...<math>64</math> total ways. This makes sense with the construction of the problem. If you are also confused about why we subtracted 1, just think about it th
  2 KB (263 words) - 18:13, 19 October 2021
• 2005 AMC 10A Problems/Problem 20
  ==Problem==
  3 KB (437 words) - 14:26, 13 October 2024
• 2003 AMC 10A Problems/Problem 20
  == Problem 20 ==
  1 KB (200 words) - 00:04, 1 August 2023
• 2007 AMC 12A Problems/Problem 20
  == Problem == [[Image:2007 AMC 12A Problem 20.png|150px]]
  2 KB (317 words) - 10:10, 16 September 2022
• 2004 AMC 10A Problems/Problem 20
  ==Problem==
  4 KB (710 words) - 13:59, 1 November 2024
• 2004 AMC 12A Problems/Problem 20
  == Problem == Use areas to deal with this continuous probability problem. Set up a unit square with values of <math>a</math> on x-axis and <math>b</
  3 KB (552 words) - 23:26, 28 December 2020
• 2000 AMC 12 Problems/Problem 20
  == Problem ==
  2 KB (244 words) - 07:34, 4 November 2022
• 2007 AMC 10A Problems/Problem 20
  == Problem ==
  4 KB (645 words) - 11:41, 7 March 2025
• 1995 AHSME Problems/Problem 20
  == Problem ==
  1 KB (177 words) - 18:05, 29 July 2022
• 2002 AMC 12B Problems/Problem 20
  {{duplicate|[[2002 AMC 12B Problems|2002 AMC 12B #20]] and [[2002 AMC 10B Problems|2002 AMC 10B #22]]}} == Problem ==
  4 KB (575 words) - 14:29, 14 January 2025
• 2003 AMC 12B Problems/Problem 20
  == Problem == [[Image:2003_12B_AMC-20.png]]
  2 KB (382 words) - 18:01, 23 November 2020
• 2008 AMC 10A Problems/Problem 20
  ==Problem==
  3 KB (429 words) - 14:39, 13 October 2024
• 2008 AMC 12A Problems/Problem 20
  ==Problem== label("\(\frac{20}{7}\)",(B+D)/2,NE);
  6 KB (951 words) - 16:31, 2 August 2019

Page text matches

• Pythagorean Theorem
  <cmath>20-21-29</cmath> * [[2006_AIME_I_Problems/Problem_1 | 2006 AIME I Problem 1]]
  6 KB (978 words) - 12:02, 6 March 2025
• 2016 AMC 10A Problems/Problem 8
  == Problem == <math>\textbf{(A)}\ 20 \qquad\textbf{(B)}\ 30\qquad\textbf{(C)}\ 35\qquad\textbf{(D)}\ 40\qquad\te
  1 KB (169 words) - 14:59, 8 August 2021
• 2016 AMC 10A Problems/Problem 9
  == Problem == ...ots + 10 = 55.</math> Knowing this, we can say that <math>11 + 12 \cdots + 20 = 155</math> and <math>21 + \cdots +30 =255</math> and so on. This is a qui
  2 KB (395 words) - 23:29, 3 December 2024
• 2016 AMC 10A Problems/Problem 10
  == Problem == ...e largest rectangle minus the second largest rectangle, which is <math>(5x+20) - (3x+6) = 2x + 14</math>.
  2 KB (335 words) - 05:52, 18 December 2024
• MATHCOUNTS
  ...cluding Art of Problem Solving, the focus of MATHCOUNTS is on mathematical problem solving. Students are eligible for up to three years, but cannot compete be ...ics]]. The focus of MATHCOUNTS curriculum is in developing [[mathematical problem solving]] skills.
  11 KB (1,578 words) - 15:58, 15 March 2025
• ICTM Math Contest
  ...vidual competition consists of independent student work on 8 questions for 20 minutes. Scores of the top two teams and top ten individuals count toward t ...a contest for junior high schools. This individual competition consists of 20 questions, to be completed in two 30 minute time periods. The top 10 indivi
  8 KB (1,182 words) - 14:26, 3 April 2024
• Mathematics books
  These '''math books''' are recommended by [[Art of Problem Solving]] administrators and members of the [{{SERVER}}/community AoPS Comm * [//www.amazon.com/exec/obidos/ASIN/0817636773/artofproblems-20 Algebra] by I.M. Gelfand and Alexander Shen.
  23 KB (3,036 words) - 16:38, 1 March 2025
• William Lowell Putnam Mathematical Competition
  ...9|breakdown=<u>Problem A/B, 1/2</u>: 7<br><u>Problem A/B, 3/4</u>: 8<br><u>Problem A/B, 5/6</u>: 9}} ...chool olympiads are, although they include more advanced mathematics. Each problem is graded on a scale of 0 to 10. The top five scorers (or more if there are
  4 KB (623 words) - 13:11, 20 February 2024
• Inequality
  \x+5-13+4x+20&\ge 3x+15 The problem here is that we multiplied by <math>x+5</math> as one of the last steps. W
  12 KB (1,806 words) - 06:07, 19 June 2024
• AMC 10
  ...administered by the [[American Mathematics Competitions]] (AMC). [[Art of Problem Solving]] (AoPS) is a proud sponsor of the AMC. ...iculty=1-3|breakdown=<u>Problem 1-5</u>: 1<br><u>Problem 6-20</u>: 2<br><u>Problem 21-25</u>: 3}}
  4 KB (596 words) - 04:53, 3 February 2025
• AMC 12
  ...administered by the [[American Mathematics Competitions]] (AMC). [[Art of Problem Solving]] (AoPS) is a proud sponsor of the AMC. ...ulty=2-4|breakdown=<u>Problem 1-10</u>: 2<br><u>Problem 11-20</u>: 3<br><u>Problem 21-25</u>: 4}}
  5 KB (646 words) - 04:52, 3 February 2025
• Math competition books
  ...rt of Problem Solving]] books, while not devoted specifically to contest [[problem solving]], contain scores of problems from the contests listed below, as we ...ublishes [{{SERVER}}/store/recommendations#contest-1 two excellent contest problem books].
  2 KB (277 words) - 15:58, 1 March 2025
• Joining an ARML team
  ...y geographical placement. The three top teams usually all place in the top 20, often even in the top 15 or 10. * [http://www.csulb.edu/depts/math/?q=node/20 Math Day at the Beach website.]
  22 KB (3,532 words) - 11:25, 27 September 2024
• Principle of Inclusion-Exclusion
  ...d only once. In particular, memorizing a formula for PIE is a bad idea for problem solving. ==== Problem ====
  9 KB (1,703 words) - 01:20, 7 December 2024
• Factorial
  * <math>20! = 2432902008176640000</math> ([[2007 iTest Problems/Problem 6|Source]])
  10 KB (809 words) - 16:40, 17 March 2024
• Fermat's Little Theorem
  ...hat is the units digit of <math>k^2 + 2^k</math>? ([[2008 AMC 12A Problems/Problem 15|Source]]) * Find <math>2^{20} + 3^{30} + 4^{40} + 5^{50} + 6^{60}</math> mod <math>7</math>. ([//www.art
  15 KB (2,618 words) - 12:03, 19 February 2025
• Brahmagupta's Formula
  ...e integers. Determine <math>p + q</math>. ([[Mock AIME 3 Pre 2005 Problems/Problem 7|Source]]) ...common prime factor. What is <math>a+b+c?</math> ([[2022 AMC 10A Problems/Problem 15|Source]])
  3 KB (543 words) - 19:35, 29 October 2024
• 1970 IMO Problems/Problem 6
  ==Problem== 2. Note the commonality with [[1969 IMO Problems/Problem 5]]. In fact,
  6 KB (1,054 words) - 18:09, 11 December 2024
• Combinatorial identity
  .../www.artofproblemsolving.com/Forum/viewtopic.php?p=394407#394407 1986 AIME Problem 11] ...lving.com/Forum/resources.php?c=182&cid=45&year=2000&p=385891 2000 AIME II Problem 7]
  12 KB (1,993 words) - 22:22, 15 January 2025
• Ellipse
  ...latively prime integers, find <math> p+q. </math> ([[2005 AIME II Problems/Problem 15|Source]]) ...ly prime positive integers. Find <math>m+n</math>. ([[2001 AIME I Problems/Problem 5|Source]])
  5 KB (892 words) - 21:52, 1 May 2021

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