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计算:(-5m^3n^2)^3÷25m^3n^2·(m^3n^2)
人气:220 ℃ 时间:2020-03-26 11:51:41
解答
(-5m^3n^2)^3÷25m^3n^2·(m^3n^2)
=-5^3/25xm^9n^6xm^(-3)n^(-2)xm^3n^2
=-5m^(9-3+3)n^(6-2+2)
=-5m^9n^6
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