八年级数学化简:(a²√n/m-ab/m√mn+n/m√m/n)÷a²b²√n/m

八年级数学化简:(a²√n/m-ab/m√mn+n/m√m/n)÷a²b²√n/m
八年级数学化简:(a²√n/m-ab/m√mn+n/m√m/n)÷a²b²√n/m

八年级数学化简:(a²√n/m-ab/m√mn+n/m√m/n)÷a²b²√n/m

同乘更号MN

原式＝(a²√n/m－ab√n/m+√n/m）÷a²b²√n/m
＝（a²-ab+1）÷a²b²
=1/b²-1/ab+1/a²b²