(1)0.24:x=4:1.5 (2)49:(5+x)=14:2.

问题描述:

(1)0.24:x=4:1.5              
(2)49:(5+x)=14:2.

(1)0.24:x=4:1.5              4x=0.24×1.5          4x÷4=0.36÷4   &nbs...