问题描述: (m-3除以3m的2次方-6m)除以(m+2-m-2分之5)怎样化简 1个回答 分类:数学 2014-11-23 问题解答: 我来补答 (m-3除以3m的2次方-6m)除以(m+2-m-2分之5)=(m-3)/(3m^2-6m)÷[m+2-5/(m-2)]=(m-3)/3m(m-2)÷[(m+2)(m-2)-5]/(m-2)=(m-3)/3m(m-2)÷[(m^2-4-5]/(m-2) 展开全文阅读