Question

单项式3a^m+2b³与单项-2a⁵bⁿ是同类项，则m+n=______．

Answer 1

∵单项式3a^m+2b³与单项式-2a⁵bⁿ是同类项，
∴m+2=5，n=3，
解得m=3，
则m+n=3+3=6．
故答案为：6．