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 | 扑克牌任取4张,能算24的概率(增加题目) | 
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| It is not your aptitude but your attitude that determines your altitude. Rubik's magic : best single 0.89s; best average 0.97s | ||
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| 19events = 644days PB (2 3 4 5)B = 1200seconds 北大魔方爱好者QQ群74893945 mf8最少步讨论群:RP与公式的绝佳配合QQ群5652935 | ||
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| 进攻就是最好的防守! | ||
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| 19events = 644days PB (2 3 4 5)B = 1200seconds 北大魔方爱好者QQ群74893945 mf8最少步讨论群:RP与公式的绝佳配合QQ群5652935 | ||
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| 19events = 644days PB (2 3 4 5)B = 1200seconds 北大魔方爱好者QQ群74893945 mf8最少步讨论群:RP与公式的绝佳配合QQ群5652935 | ||
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