(m^3)^3除以m^4+(-m)^9除以(-m)^5乘(-m)

问题描述:

(m^3)^3除以m^4+(-m)^9除以(-m)^5乘(-m)

=(m^9)除以m^4(1-m^5)除以(-m)^5乘(-m)
=m^5除以(1-m^5)除以(-m)^5乘(-m)
=1/(m^5-1)乘(-m)
=m/(m^5-1)