1. 把5L水桶裝滿倒進3L中,剩2L。652Please respect copyright.PENANAvyiB7mbS4O
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。652Please respect copyright.PENANARBloYMHyOT
3. 再從5L水桶倒出1L到3L水桶,就OK了。652Please respect copyright.PENANAlAjQ8gVU5v
1. 把5L水桶裝滿倒進3L中,剩2L。652Please respect copyright.PENANAvyiB7mbS4O
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。652Please respect copyright.PENANARBloYMHyOT
3. 再從5L水桶倒出1L到3L水桶,就OK了。652Please respect copyright.PENANAlAjQ8gVU5v