(4x的n+1次方y的n次方)³÷【(-xy)²】的n次方,

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(4x的n+1次方y的n次方)³÷【(-xy)²】的n次方,

(4x的n+1次方y的n次方)³÷【(-xy)²】的n次方,
(4x的n+1次方y的n次方)³÷【(-xy)²】的n次方,

(4x的n+1次方y的n次方)³÷【(-xy)²】的n次方,
元=6x^(3n+1)y^3n÷x^2ny^2n
=64x^(n+1)y^n