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计算:(1-100/1)(1-99/1)(1-98/1)…(1-4/1)(1-3/1)=?
人气:186 ℃ 时间:2020-04-21 11:14:50
解答
(1-100/1)(1-99/1)(1-98/1)…(1-4/1)(1-3/1)
=(100/99)(99/98)(98/97)…(4/3)(3/2)
=100/2
=50/1
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