3^2m×9^2等于几
问题描述:
3^2m×9^2等于几
答
=(3^2)^m*9^2
=9^m*9^2
=9^(m+2)
3^2m×9^2等于几
=(3^2)^m*9^2
=9^m*9^2
=9^(m+2)