-0.25乘一又五分之二乘(负三又二分之一)乘(负二又七分之一) 要列式计算
人气:402 ℃ 时间:2019-08-21 12:42:28
解答
= -(四分之一*五分之七*二分之七*七分之十五)
= -(八分之七*五分之七*七分之十五)
= -(八分之七*三)
= -八分之二十一
这个 打不出来分数 你就将就着看吧
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