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计算(2/3)^200×(-3)^201×(-1/2)^202
人气:431 ℃ 时间:2020-02-05 10:22:19
解答
(2/3)^200×(-3)^201×(-1/2)^202
=[2/3×(-3)×(-1/2)]^200×(-3)×(-1/2)^2
=1^200×(-3)×(1/4)
=-3/4
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