# User contributions

- 03:43, 13 February 2021 (diff | hist) . . (+11) . . m 2021 AMC 12B Problems/Problem 9 (→Solution)
- 03:39, 13 February 2021 (diff | hist) . . (0) . . m 2021 AMC 12B Problems/Problem 9 (→Solution)
- 20:44, 11 February 2021 (diff | hist) . . (+13) . . m 2021 AMC 12B Problems/Problem 10
- 20:43, 11 February 2021
(diff | hist) . .
**(+553)** . . N 2021 AMC 12B Problems/Problem 10 (Created page with " The sum of the first <math>37</math> integers is given by <math>n(n+1)/2</math>, so <math>37(37+1)/2=703</math>. Therefore, <math>703-x-y=xy</math> Rearranging, <math>xy+x+...") - 20:26, 11 February 2021
(diff | hist) . .
**(+942)** . . N 2021 AMC 12B Problems/Problem 12 (Created page with "Let <math>x</math> be the greatest integer, <math>y</math> be the smallest, <math>z</math> be the sum of the numbers in S excluding <math>x</math> and <math>y</math>, and <mat...") - 20:16, 11 February 2021
(diff | hist) . .
**(+610)** . . N 2021 AMC 12B Problems/Problem 9 (Created page with "<math>\frac{log_{2}{80}}{log_{40}{2}}-\frac{log_{2}{160}}{log_{20}{2}}</math> Note that <math>log_{40}{2}=\frac{1}{log_{2}{40}}</math>, and similarly <math>log_{20}{2}=\frac{...")