68乘64.2除以4分之17除64.2简算
人气:166 ℃ 时间:2020-03-26 12:11:52
解答
68乘64.2除以4分之17除64.2
=68除以4分之17乘64.2除64.2
=(68乘以17分之4)乘以(64.2除64.2)
=(17乘以4乘以17分之4)乘以1
=4乘以4乘以1
=16
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