(-2x的n-1次方)(x²)的n次方=_______
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(-2x的n-1次方)(x²)的n次方=_______
(-2x的n-1次方)(x²)的n次方=_______
(-2x的n-1次方)(x²)的n次方=_______
-2*(x的(3n-1)次幂)
(-2x的n-1次方)(x²)的n次方=_______
(-2x的n-1次方)(x²)的n次方=_______
(-2x的n-1次方)(x²)的n次方=_______
-2*(x的(3n-1)次幂)