(a的2n-2次方)²·(a的n-1次方)³

问题描述:

(a的2n-2次方)²·(a的n-1次方)³

(a的2n-2次方)²·(a的n-1次方)³
=a^(4n-4)a^(3n-3)
=a^(4n-4+3n-3)
=a^7(n-1)

原式=a^2(2n-2)*a^3(n-1)
=a^(4n-4+3n-3)
=a^(7n-7)