-2xmy6与3/5x3y2n是同类项,则m+n=_.

问题描述:

-2xmy6

3
5
x3y2n是同类项,则m+n=______.

若-2xmy6

3
5
x3y2n是同类项,
则m=3;2n=6,n=3.
则m+n=6.
故答案为:6.