User contributions
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)
- 00:26, 11 August 2018 (diff | hist) . . (+1,896) . . N 2003 Indonesia MO Problems/Problem 2 (Solution to Problem 2 -- good ol' IM2 days)
- 00:13, 11 August 2018 (diff | hist) . . (+1,699) . . N 2003 Indonesia MO Problems/Problem 6 (Solution to Problem 6 -- coloring the tiles) (current)
- 23:55, 10 August 2018 (diff | hist) . . (+1,438) . . N 2003 Indonesia MO Problems/Problem 3 (Solution to Problem 3 -- floors and ceilings)
- 09:39, 8 August 2018 (diff | hist) . . (+2,245) . . N 2008 iTest Problems/Problem 66 (Solution to Problem 66 — no calculator needed) (current)
- 08:58, 8 August 2018 (diff | hist) . . (+2,200) . . N 2008 iTest Problems/Problem 64 (Solution to Problem 64)
- 08:28, 8 August 2018 (diff | hist) . . (+843) . . N 2003 Indonesia MO Problems/Problem 5 (Solution to Problem 5)
- 22:02, 7 August 2018 (diff | hist) . . (+763) . . N 2008 iTest Problems/Problem 67 (Solution to Problem 67 — circular seating charts)
- 21:58, 7 August 2018 (diff | hist) . . (+2) . . m 2008 iTest Problems (→Problem 67)
- 21:12, 7 August 2018 (diff | hist) . . (0) . . m 1997 JBMO Problems/Problem 5 (current)
- 21:10, 7 August 2018 (diff | hist) . . (+12) . . m 2003 Indonesia MO Problems/Problem 1 (→Solution 2) (current)
- 19:53, 7 August 2018 (diff | hist) . . (+1,998) . . N 2003 Indonesia MO Problems/Problem 1 (Solution to Problem 1 -- Fermat makes it faster)
- 19:16, 7 August 2018 (diff | hist) . . (-3) . . m 2003 Indonesia MO Problems
- 19:14, 7 August 2018 (diff | hist) . . (+1,342) . . 1997 JBMO Problems/Problem 3 (Solution to Problem 3 (credit to stats11) -- inequality chasing) (current)
- 17:03, 7 August 2018 (diff | hist) . . (+3,154) . . N 2008 iTest Problems/Problem 63 (Solution to Problem 63 — all girls have same minimum distance to run) (current)
- 14:12, 7 August 2018 (diff | hist) . . (+6) . . m 2008 iTest Problems (Made the big story easier to read)
- 13:54, 7 August 2018 (diff | hist) . . (+1,734) . . N 2008 iTest Problems/Problem 61 (Solution to Problem 61 (credit to official solution) -- harder units digit problem) (current)
- 20:20, 6 August 2018 (diff | hist) . . (+3,201) . . N 2008 iTest Problems/Problem 60 (Solution to Problem 60 (credit to official solution) -- Harmonic Triangle)
- 17:13, 6 August 2018 (diff | hist) . . (+45) . . 2000 AMC 10 Problems/Problem 7
- 17:12, 6 August 2018 (diff | hist) . . (+1,632) . . 2000 AMC 10 Problems/Problem 7
- 00:03, 6 August 2018 (diff | hist) . . (+1,505) . . N 2008 iTest Problems/Problem 49 (Solution to Problem 49 -- doesn't matter if there's 14 or 4000 students at the table) (current)
- 23:53, 5 August 2018 (diff | hist) . . (+1,166) . . N 2008 iTest Problems/Problem 25 (Solution to Problem 25) (current)
- 21:16, 5 August 2018 (diff | hist) . . (+1,361) . . 1997 JBMO Problems/Problem 5 (Solution to Problem 5 — big blue paw print on modular arithmetic)
- 12:02, 5 August 2018 (diff | hist) . . (+1,968) . . N 2004 Indonesia MO Problems/Problem 4 (Solution to Problem 4) (current)
- 21:27, 4 August 2018 (diff | hist) . . (+1,552) . . 2007 iTest Problems/Problem 39 (Solution to Problem 39 (credit to grav123 and djmathman)) (current)
- 20:55, 4 August 2018 (diff | hist) . . (+2) . . m 2008 iTest Problems/Problem 32 (→Solution)
- 20:53, 4 August 2018 (diff | hist) . . (+8) . . m 2008 iTest Problems/Problem 32 (→Solution)
- 20:50, 4 August 2018 (diff | hist) . . (-9) . . m 2008 iTest Problems/Problem 32 (Solution to Problem 32 (Credit to r_fractal))
- 20:49, 4 August 2018 (diff | hist) . . (+944) . . N 2008 iTest Problems/Problem 32 (Solution to Problem 32 — need more precise approximation of pi than 3.14 or 22/7)
- 20:35, 4 August 2018 (diff | hist) . . (+78) . . m 2008 iTest Problems/Problem 57 (current)
- 20:32, 4 August 2018 (diff | hist) . . (+381) . . 2008 iTest Problems/Problem 58 (Solution to Problem 58) (current)
- 19:58, 4 August 2018 (diff | hist) . . (+3,574) . . N 2008 iTest Problems/Problem 58 (WIP Solution)
- 19:43, 4 August 2018 (diff | hist) . . (+1,100) . . N 2008 iTest Problems/Problem 62 (Solution to Problem 62 -- surprisingly simple) (current)
- 19:23, 4 August 2018 (diff | hist) . . (+1) . . m 2008 iTest Problems/Problem 9 (current)
- 17:33, 4 August 2018 (diff | hist) . . (+22) . . m User:Rockmanex3 (→Hall of Problems)
- 17:30, 4 August 2018 (diff | hist) . . (+899) . . User:Rockmanex3
- 15:24, 4 August 2018 (diff | hist) . . (+1,179) . . 1997 JBMO Problems/Problem 4 (Solution to Problem 4)
- 14:58, 4 August 2018 (diff | hist) . . (+771) . . 1997 JBMO Problems/Problem 4 (WIP Solution)
- 14:35, 4 August 2018 (diff | hist) . . (+7) . . m 2007 iTest Problems/Problem 13 (Making the solution look neater) (current)
- 14:25, 4 August 2018 (diff | hist) . . (+2,011) . . N 2004 Indonesia MO Problems/Problem 7 (Solution to Problem 7)
- 13:54, 4 August 2018 (diff | hist) . . (+108) . . m 2008 iTest Problems
- 13:53, 4 August 2018 (diff | hist) . . (+117) . . m 2007 iTest Problems
- 13:49, 4 August 2018 (diff | hist) . . (+919) . . 1997 JBMO Problems/Problem 2 (Solution to Problem 2) (current)
- 00:20, 4 August 2018 (diff | hist) . . (+688) . . 1997 JBMO Problems/Problem 1 (Solution to Problem 1 -- Pigeonhole!)
- 00:10, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO Problems/Problem 6 (current)
- 00:09, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO Problems/Problem 5 (current)
- 00:09, 4 August 2018 (diff | hist) . . (+4) . . m 2002 Indonesia MO Problems/Problem 3
- 00:09, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO Problems/Problem 2
- 00:08, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO Problems/Problem 1
- 00:08, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO Problems (current)
- 00:07, 4 August 2018 (diff | hist) . . (+5) . . m 2002 Indonesia MO (current)
(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)