-2xmy6与3/5x3y2n是同类项,则m+n=_.
问题描述:
-2xmy6与
x3y2n是同类项,则m+n=______. 3 5
答
若-2xmy6与
x3y2n是同类项,3 5
则m=3;2n=6,n=3.
则m+n=6.
故答案为:6.