Question

数学题，帮帮忙啊！！！！！！！

当m＜0，时，化简m分之m³的绝对值-m²÷m的绝对值

Answer 1

m分之m^3=m^2 m^2÷m=m
因为m＜0，所以m^2-（-m）=m^2+m

Answer 2

m<0,m^3<0
|m^3|/m-m^2/|m|

=-m^3/m+m^2/m
=-m^2+m

Answer 3

m²+m

Answer 4

=|m²-|m|
=m²+m