(3又3/11×25.8-3又3/11×16.76+18/55×19.6)×(1.25-7/12+5/36)

coolxin0072022-10-04 11:39:541条回答

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fwm08 共回答了16个问题 | 采纳率87.5%
=(36/11*25.8-36/11*16.76+18/55*2*5*1.96)*(45/36-21/36+5/36)
=36/11*(25.8-16.76+1.96)*29/36
=36/11*11*29/36
=29
1年前

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(36/11*25.8-36/11*16076+18/55*19.6)*(1.25-7/12+5/36)用简便方法
(36/11*25.8-36/11*16076+18/55*19.6)*(1.25-7/12+5/36)用简便方法
应该是:
(36/11*25.8-36/11*16.76+18/55*19.6)*(1.25-7/12+5/36)
风之未央1年前1
wsj75731 共回答了16个问题 | 采纳率100%
=(36/11*25.8-36/11*16.76+18/55*2*5*1.96)*(45/36-21/36+5/36)
=36/11*(25.8-16.76+1.96)*29/36
=36/11*11*29/36
=29