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数学
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(2003/1-1)×(2002/1-1)×(2001/1-1)×.×(1001/1-1)×(1000/1-1)=?
人气:207 ℃ 时间:2019-10-17 04:41:57
解答
-2002/2003 * (-2001/2002) *……*(-999/1000)
=999/2003 (共2003-1000+1=1004项 所以最后乘积为正)
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