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数学趣题

    标题 作者 回复/查看 最后发表
  [原创]此问是否曾经有过? qqqqwqqw 2007-3-28 7 / 533 2007-6-15 19:59 by qqqqwqqw
  整数转换:如何判断n不可变换为m arsenal 2007-6-5 1 / 363 2007-6-14 17:26 by duz
  立体“数独” qqqqwqqw 2007-6-12 0 / 314 2007-6-12 18:09 by qqqqwqqw
  关于三角形全等证明问题。 ywi 2007-6-8 4 / 374 2007-6-12 15:53 by ywi
  等底等高顶角的两边差的绝对值对应相等的两三角形全等   1 2 ywi 2007-5-25 10 / 738 2007-6-12 15:41 by ywi
  [转帖]一个正方形最少能分割成多少的锐角三角形   1 2 tycolion 2002-6-10 12 / 1504 2007-6-7 10:12 by 383717846
  精通数学的警察 sween 2007-4-30 6 / 569 2007-5-27 15:07 by lfb
  一道初中数学题 yuahyu 2007-5-24 5 / 534 2007-5-27 09:30 by lfb
  [求助]三角形周长与任一角分线长之积大于四倍三角形的面积. qqqqwqqw 2007-4-30 4 / 477 2007-5-25 16:52 by ywi
  如何公平地分? ucphd 2007-5-24 1 / 342 2007-5-25 11:25 by wxr021
  [原创]一道极限题 wilson 2007-5-19 7 / 482 2007-5-24 23:06 by ucphd
  一个取点问题 haizhou 2007-5-23 0 / 332 2007-5-23 17:09 by haizhou
  美数学月刊征解 ucphd 2007-4-16 2 / 508 2007-5-14 21:04 by 剑啸九重天
  不等式题目 haizhou 2007-4-30 3 / 438 2007-5-5 01:13 by ucphd
  [求解]不等式 ★夏lzx◆ 2007-5-3 2 / 411 2007-5-4 13:07 by ★夏lzx◆
  两龟赛跑 sween 2007-4-30 2 / 438 2007-5-3 23:23 by sween
  爱的程度 sween 2007-4-30 4 / 435 2007-5-3 23:18 by sween
  错误的等式 sween 2007-4-30 2 / 402 2007-5-3 23:11 by sween
  火柴棍问题   1 2 yi 2007-3-27 10 / 1152 2007-5-2 23:13 by 小拉风
  冰的问题 sween 2007-4-30 3 / 414 2007-5-2 00:34 by Flamekid
  洗牌的最少恢复次数问题 FutureBoy 2007-4-23 5 / 539 2007-4-30 02:48 by sinaian
  组合数的奇偶性判断法则 FutureBoy 2007-4-23 2 / 670 2007-4-27 12:22 by sinaian
  [原创]蚂蚁爬六面体问题 qqqqwqqw 2007-4-27 0 / 374 2007-4-27 07:49 by qqqqwqqw
  [原创]倒三角形数阵问题 qqqqwqqw 2007-4-23 0 / 339 2007-4-23 10:43 by qqqqwqqw
  [原创]8x问题 qqqqwqqw 2006-10-18 4 / 540 2007-4-21 10:49 by qqqqwqqw
  [求助]一道高二数学竞赛题--不等式的证明 温柔小刀 2007-4-17 4 / 585 2007-4-20 01:04 by ucphd
  美四月号数学月刊问题征解11289 ucphd 2007-4-17 0 / 403 2007-4-17 11:43 by ucphd
  一道某年的IMO的题 yi 2007-4-14 3 / 525 2007-4-17 02:12 by ucphd
  求an的通项公式 学徒 2007-3-25 9 / 710 2007-4-16 18:35 by nbnanhai
  出个几何题 qqqqwqqw 2007-4-4 1 / 492 2007-4-14 23:32 by yi
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