(xy)的n次方=x^n*y^n
=2*3
=6
(x的2次方乘y)的n次方=x^2n*y^n
=(x^n)^2*y^n
=2^2*3
=12
(xy)^n=(x^n)*(y^n)=2*3=6
(x^2*y)^n=(X^2)^n*y^n=(X^n)^2*3=2^2*3=12
(xy)的n次方=(6),(x的2次方乘y)的n次方=(12)