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数学智力小问答23(六根木桩)
2009-06-26 13:34:12
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数学智力小问答24(六匹马赛跑)
2009-06-26 13:33:51
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数学智力小问答25(密码问题)
2009-06-26 13:33:31
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数学智力小问答26(排卡片问题)
2009-06-26 13:33:16
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数学智力小问答27(墙纸问题)
2009-06-26 13:32:18
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数学智力小问答28(三人玩游戏)
2009-06-26 13:32:01
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数学智力小问答29(三人委员会)
2009-06-26 13:31:41
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数学智力小问答30(双向公路)
2009-06-26 13:31:23
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数学智力小问答31(委员会XY)
2009-06-26 13:31:02
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数学智力小问答32(五人乐队)
2009-06-26 13:29:40
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数学智力小问答33(五盏灯)
2009-06-26 13:23:26
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数学智力小问答38(游泳比赛)
2009-06-26 13:22:46
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数学智力小问答34(循环游戏)
2009-06-26 13:22:26
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数学智力小问答39(语言交流)
2009-06-26 13:22:07
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数学智力小问答35(野餐后的游戏)
2009-06-26 13:21:44
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数学智力小问答40(杂技演员)
2009-06-26 13:21:22
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数学智力小问答36(遗产的分配)
2009-06-26 13:20:00
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数学智力小问答41(债权人问题)
2009-06-26 13:19:15
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数学智力小问答37(议案的表决)
2009-06-26 13:18:38
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数学智力小问答42(钟表问题)
2009-06-26 13:17:54