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歡迎您訪問數學考題練習:計算:(-m4n3)3÷(-m3n2)2(-2!

數學考題練習:計算:(-m4n3)3÷(-m3n2)2(-2

更新時間:2024-01-12 14:00:46作者:貝語網校

計算:(-m4n33÷(-m3n22•(-2mn)-1=________.

試題答案

m5n4

試題解析

先根據積的乘方的運算性質計算乘方,再根據單項式的除法和乘法法則計算,注意最后結果不能帶有負整數指數冪.

解答:原式=(-m12n9)÷(m6n4)•(-m-1n-1

=()(m12÷m6•m-1)(n9÷n4•n-1

=m5n4

點評:本題主要考查了積的乘方的運算性質,單項式的乘法及除法法則.

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