计算(m-2n)^8÷(-m+2n)³x(m-2n)^5

问题描述:

计算(m-2n)^8÷(-m+2n)³x(m-2n)^5

=-(m-2n)^8÷(m-2n)³×(m-2n)^5
=-(m-2n)^(8-3+5)
=-(m-2n)^10