200.96乘6分之5=?12.56乘3分之2=?
人气:183 ℃ 时间:2019-12-17 17:06:18
解答
200.96乘6分之5=(5024/25)x(5/6)=2512/15=199.8
12.56乘3分之2=(314/25)x(2/3)=628/75=8又28/75
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