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(8/11-0.75)*4.16+(3/11-1/4)/25/104用简便算法!
人气:226 ℃ 时间:2020-05-20 03:29:23
解答
(8/11-0.75)*4.16+(3/11-1/4)/25/104
=(8/11-3/4)*4.16+(3/11-1/4)*104/25
=(8/11-3/4)*104/25+(3/11-1/4)*104/25
=104/25(8/11-3/4+3/11-1/4)
=104/25*0
=0
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