(-3a^2-9a^3b+12a^4b^2)/(-3a^2)= 16(2m-n)^p加2/【-4(2m-n)^p-1】=
问题描述:
(-3a^2-9a^3b+12a^4b^2)/(-3a^2)= 16(2m-n)^p加2/【-4(2m-n)^p-1】=
答
(-3a^2-9a^3b+12a^4b^2)/(-3a^2)
=1+3ab-4a²b²
16(2m-n)^p加2/【-4(2m-n)^p-1】
=-4(2m-n)^(p+2-p+1)
=-4(2m-n)³