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(3又3/11×25.8-3又3/11×16.76+18/35×19.6)×(1.25-7/12+5/36)×1/29
简便运算,快
可以不简便运算
人气:320 ℃ 时间:2020-04-07 05:00:34
解答
(3又3/11×25.8-3又3/11×16.76+18/55×19.6)×(1.25-7/12+5/36)
=(36/11×25.8-36/11×16.76+36/11×1.96)×(2/3+5/36)
=36/11×(25.8-16.76+1.96)×29/36
=36/11×11×29/36
=29这不是原题,你看到我写的吗?后面在乘以1/29
=1是18/35不是18/55你绝对抄错了题没有,请你赶紧算关键不能简便运算
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