问题 解答题

计算:(-3x2n+2yn3÷[(-x3y)2]n

答案

(-3x2n+2yn3÷[(-x3y)2]n

=-27x6n+6y3n÷(-x3y)2n

=-27x6n+6y3n÷x6ny2n

=-27x6yn

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