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(5/8-25*1/100)/9/16简算过程
人气:409 ℃ 时间:2020-05-08 06:18:12
解答
(5/8-25*1/100)/9/16
=(5/8-1/4)*16/6
=5/8*16/9-1/4*16/9
=10/9-4/9
=6/9
=2/3
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