(正33又3分之一)乘(负零点二五)乘(负七)乘(正四)乘(负零点三) 过程写清楚
人气:469 ℃ 时间:2019-10-23 04:19:10
解答
=100/3×(-1/4)×(-7)×4×(-3/10)
=100/3×(-3/10)×(-1/4)×4×(-7)
=(-10)×(-1)×(-7)
=10×(-7)
=-70
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