2m/3n×(3n/p)^2÷mn//p^2

问题描述:

2m/3n×(3n/p)^2÷mn//p^2
2m/3n×(3n/p)^2÷mn/p^2
答案是不是6

2m/3n×(3n/p)^2÷mn//p^2
=2m/3n*(9n²/p²)*p²/mn
=6