第1个回答 2014-01-12
x×(1-37.5%)=5/8
解:62.5%x=5/8
x=5/8÷62.5%
x=1
0.3×4/5-6x=0.2
解:6/25-6x=1/5
6x=6/25-1/5
x=1/25÷6
x=1/150
第2个回答 2014-01-12
解:1)Xx62.5%=5/8
X=5/8x100/62.5
X=1
2)3/10X4/5-6X=0.2
6/25-6X=0.2
6X=6/25-0.2
6X=6/25-1/5
6X=6/25-5/25
6X=1/25
X=1/25x1/6
X=1/150
第3个回答 2014-01-12
看图应该最清楚:
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9d82d158ccbf6c81e2f05f82be3eb13532fa4090?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
第4个回答 2014-01-12
x*(1-37.5%)=5/8x=(5/8)/(1-37.5%)x=(5/8)/(5/8)x=1
第5个回答 2014-01-12
(1)X=1
(2)X=150分之1