[2ab的2次方】的2次方*[3ab]的-3次方
问题描述:
[2ab的2次方】的2次方*[3ab]的-3次方
答
[2ab^2]^2*[3ab]^(-3)
=4a^2b^4*[3ab]^(-3)
=4a^2b^4*1/[3ab]^3
=4a^2b^4*1/(27a^3b^3)
=4b/(27a)