甲乙两个粮仓,原来乙仓比甲仓少存粮1/5,现在把甲仓存量的1/4放进乙仓,再从乙仓中运出30吨,这时两仓存粮相(不要用方程)

问题描述:

甲乙两个粮仓,原来乙仓比甲仓少存粮1/5,现在把甲仓存量的1/4放进乙仓,再从乙仓中运出30吨,这时两仓存粮相
(不要用方程)

+----+----+----+----+----+ 1
+----+----+----+----+ 1-1/5
+----+----+----+--- 1-1/4
+----+----+----+----+----+- 1-1/5+1/4
| 30吨 |
甲:
30÷[(1-1/5+1/4)-(1-1/4)]
=30÷(1/2-1/5)
=100
乙:100X(1-1/5)=80