25 March 2018

• 17:3717:37, 25 March 2018 diff hist 0 2012 AIME I Problems/Problem 9 →Solution 3
• 17:3417:34, 25 March 2018 diff hist +1,562 2012 AIME I Problems/Problem 9 →Solution 3

10 January 2018

• 00:1800:18, 10 January 2018 diff hist +1,889 2009 AMC 10B Problems/Problem 22 →Solution 3

8 January 2018

• 23:0723:07, 8 January 2018 diff hist +2,391 N 1979 AHSME Problems/Problem 26 Created page with "==Problem 26== The function <math>f</math> satisfies the functional equation <math>f(x) +f(y) = f(x + y ) - xy - 1</math> for every pair <math>x,~ y</math> of real numbers. I..."

6 January 2018

• 19:0919:09, 6 January 2018 diff hist +1,255 1970 AHSME Problems/Problem 4 →Solution current