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(15/20)的0.8次方怎么算
人气:494 ℃ 时间:2020-01-28 01:40:45
解答
(15/20)^0.8
=(3/4)^0.8
=((3/4)^4)^(1/5)
=(81/256)^(1/5)
=(0.31640625)^(1/5)
=0.794418
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