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[(1/4-1/4/2)*8/13+1/6又2/1]/0.01
人气:119 ℃ 时间:2020-08-10 21:18:18
解答
[(1/4-1/4/2)*8/13+1/6又2/1]/0.01
=[(2-1)/13+1/(13/2)]/0.01
=[1/13+2/13]/0.01
=300/13
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