1/3:1/2=1.8:x

问题描述:

1/3:1/2=1.8:x

由1/3:1/2=1.8:x得:x/3=1.8/2,即:x/3=0.9,故:x=2.7

1/3 *x=1/2 *1.8
x=0.5*1.8*3
=0.9*3
=2.7

1/3:1/2=1.8:x
1/2×1.8=1/3x
1/3x=0.9
x=2.7