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wu :: forums    riddles    medium (Moderators: william wu, SMQ, ThudnBlunder, Grimbal, Icarus, towr, Eigenray) Pages: 1 ... 15 16 17 18 19  ...  61 Start new topic    Subject Started by Replies Views Last post Parabolic Perimeter ThudnBlunder 16 2861 Jul 21st, 2008, 3:36am by pex p,q,pq-(p+q) prime numbers (need help) « Pages 1 2 » cool_joh 25 2349 Jul 20th, 2008, 7:07am by towr Monty hall Spinoff(IIm interview) EagleKing 2 1376 Jul 17th, 2008, 3:41am by towr A question from IMO 2008 wonderful 0 561 Jul 16th, 2008, 2:40pm by wonderful Substract-a-Prime JocK 6 717 Jul 16th, 2008, 12:27pm by Eigenray Logarithmic integral pex 6 1117 Jul 13th, 2008, 1:44pm by pex Random assignment wonderful 14 939 Jul 12th, 2008, 5:35pm by capricafox Billiard in a triangle table cool_joh 4 2597 Jul 12th, 2008, 5:12pm by capricafox Stick in the bowl Eigenray 20 1176 Jul 10th, 2008, 3:20pm by SMQ Winning strategy? wonderful 0 408 Jul 8th, 2008, 4:45pm by wonderful An Integral wonderful 0 391 Jul 7th, 2008, 4:24pm by wonderful Wagon Wheel ThudnBlunder 2 520 Jul 8th, 2008, 5:23am by Eigenray Computing Area of a Polygon Barukh 9 1447 Jul 6th, 2008, 1:12pm by Grimbal A polynomial wonderful 3 391 Jul 2nd, 2008, 11:58pm by Eigenray Sum and Sum of Squares ThudnBlunder 11 795 Jun 30th, 2008, 10:41pm by Barukh Subtract The Expressions, Get 1 K Sengupta 3 698 Jun 30th, 2008, 7:25pm by Eigenray n = (x+y+z)^2/(xyz) wonderful 2 661 Jun 29th, 2008, 8:33pm by wonderful Circles Sequence Immanuel_Bonfils 0 822 Jun 29th, 2008, 11:41am by Immanuel_Bonfils Re: Incremental Backup myth007_03 3 671 Jun 28th, 2008, 3:50am by towr More Numbered Hats FiBsTeR 17 1051 Jun 27th, 2008, 2:12pm by ThudnBlunder White To Play and Win (Chess) ThudnBlunder 5 2807 Jun 27th, 2008, 9:18am by Wardub An inequality wonderful 0 687 Jun 26th, 2008, 4:01pm by wonderful Subtract Exponent Products, Get 1 K Sengupta 1 467 Jun 26th, 2008, 12:31am by Eigenray Another Sum-Product Variant ThudnBlunder 6 659 Jun 25th, 2008, 6:00pm by ThudnBlunder Finger Guages: Sum of consecutive integers sigmashot 2 2834 Jun 24th, 2008, 1:19pm by sigmashot Numbered Hats ThudnBlunder 6 2888 Jun 24th, 2008, 4:55am by Hippo n = (x^2+y^2+z^2)/(xyz) wonderful 10 8373 Jun 21st, 2008, 6:52pm by wonderful Trigonometric equation wonderful 6 968 Jun 18th, 2008, 7:20pm by Aryabhatta Trivial Approximation Sir Col 2 724 Jun 18th, 2008, 12:48am by Eigenray Spheres Benny 1 545 Jun 17th, 2008, 8:20pm by Immanuel_Bonfils Pages: 1 ... 15 16 17 18 19  ...  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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