问题描述: (-1/2)(4/3)(-9/4)(-18/5)怎么算?怎么算? 1个回答 分类:数学 2014-11-27 问题解答: 我来补答 (-1/2)(4/3)(-9/4)(-18/5)=[(-1/2)(-18/5)][(4/3)(-9/4)]=(9/5)(-3)=-27/5 展开全文阅读