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(-1+1/100)x(-1+1/101)x(-1+1/102)x...x(-1+1/2006)怎么做
人气:234 ℃ 时间:2020-06-03 07:09:10
解答
=(-99/100)*(-100/101)*(-101/102)*.*(-2005/2006)
=-99/2006
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