Question

8的m次方等于3,9的n次方等于2,则6的3m次方乘以3的2n+m次方等于多少?8^m=3,9^n=2,则6^(3m)*

Answer 1

8^m=2^3m=3

9^n=3^2n=2

6^(3m)*3^(m+2n)

=2^(3m)*3^(3m)*3^(m+2n)

=2^(3m)*3^(4m+2n)

=2^(3m)*3^(4m)*3^(2n)

=6*3^(4m)

算不出具体值