x的m次方=5,x的n次方=6,求x的3m+2n次方的值
问题描述:
x的m次方=5,x的n次方=6,求x的3m+2n次方的值
急救
答
x的3m+2n次方
=x^3m*x^2n
=(x^m)^3*(x^n)^2
=5^3*6^2
=125*36
=4500