1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)

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1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)
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1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)
1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)

1.计算:(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)
(x^(2m)/x^(m-2))^(4)/(x^(3)·x^(m))^(3)
=(x^(m+2))^4/x^9x^3m
=x^(4m+8-3m-9)
=x^(m-1)