3ab^2/2cd*4c^2d^3/3a^2b^4=

问题描述:

3ab^2/2cd*4c^2d^3/3a^2b^4=

(3ab^2)/(2cd)*(4c^2d^3)/(3a^2b^4)
= (3ab^2*4c^2d^3)/(2cd*3a^2b^4)
=(2cd^2)/(ab^2)