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wu :: forums    riddles    medium (Moderators: ThudnBlunder, SMQ, Eigenray, Icarus, william wu, Grimbal, towr) Pages: 1 ... 11 12 13 14 15  ...  61 Start new topic    Subject Started by Replies Views Last post elevator SnapShot 2 923 Jun 24th, 2009, 2:26am by chronodekar Moved: 144*x=?347? WhattheWhat 0 608 Jun 12th, 2009, 8:28pm by Aryabhatta PLEASE HELP. Lemmings problem. kookies 21 1898 Jun 6th, 2009, 6:18pm by rewolfe Really Hard Precalculus Project warriors837 13 864 May 22nd, 2009, 2:56pm by N/A Polynomials with no complex roots Aryabhatta 20 1223 May 15th, 2009, 4:41am by Obob Globe Traversal Solution Otto 9 8845 May 13th, 2009, 10:43pm by towr y^2 = x^3 - 432 NickH 19 8308 May 13th, 2009, 8:45am by Hippo 3x^2+1=4y^3 « Pages 1 2 » Aryabhatta 38 6993 May 12th, 2009, 11:21am by Eigenray Committees ThudnBlunder 11 1987 May 10th, 2009, 9:15am by Eigenray Sharp Lower Bound Michael Dagg 4 703 May 1st, 2009, 4:19pm by Aryabhatta Custom dice game towr 8 726 Apr 30th, 2009, 5:33am by towr Tough question Polymath101 6 876 Apr 29th, 2009, 6:32am by Grimbal Counting Squares Michael Dagg 1 405 Apr 25th, 2009, 2:14pm by towr Moved: What happened III Jeremiah Smith 0 1744 Apr 6th, 2009, 4:54am by Cerberus f(f(n)) not equal to n+3 Aryabhatta 2 589 Apr 2nd, 2009, 8:47am by Aryabhatta 40 envelopes benjaminvh 7 899 Apr 1st, 2009, 2:34am by towr Root + Root = Integer ThudnBlunder 6 770 Apr 1st, 2009, 2:14am by Peterman Math Contest FiBsTeR 15 863 Mar 31st, 2009, 5:07pm by FiBsTeR Game probability. WhattheWhat 9 643 Mar 24th, 2009, 1:16pm by towr Missing Vertex ThudnBlunder 3 574 Mar 24th, 2009, 6:44am by ThudnBlunder Liquid Lunch ThudnBlunder 7 1051 Mar 23rd, 2009, 7:51am by ThudnBlunder Sigma(n) and r(n) ThudnBlunder 3 708 Mar 18th, 2009, 7:50am by Eigenray A Smallest Value Puzzle K Sengupta 2 1046 Mar 18th, 2009, 1:56am by towr Three Snow Ploughs ThudnBlunder 8 799 Mar 17th, 2009, 5:37pm by ThudnBlunder electric cells Ronno 14 578 Mar 17th, 2009, 8:37am by Leo Broukhis Table-tennis ThudnBlunder 4 641 Mar 17th, 2009, 8:17am by Hippo Diophantus Redux ThudnBlunder 2 410 Mar 15th, 2009, 8:22pm by Ronno Mastermind Puzzles (6 Colours) daemonturk 11 1991 Mar 15th, 2009, 6:09am by Eigenray Cocktail Glass ThudnBlunder 2 717 Mar 4th, 2009, 12:15pm by Immanuel_Bonfils Infinite System of Equations ThudnBlunder 3 496 Mar 4th, 2009, 12:33am by Eigenray Pages: 1 ... 11 12 13 14 15  ...  61 Start new topic  Normal Topic Hot Topic (More than 15 Replies) Very Hot Topic (More than 25 Replies) Locked Topic Sticky Topic Sticky Locked Topic Forum Jump: ----------------------------- riddles -----------------------------  - easy => medium   - hard   - what am i   - what happened   - microsoft   - cs   - putnam exam (pure math)   - suggestions, help, and FAQ   - general problem-solving / chatting / whatever ----------------------------- general -----------------------------  - guestbook   - truth   - complex analysis   - wanted   - psychology   - chinese

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