1. 把5L水桶裝滿倒進3L中,剩2L。565Please respect copyright.PENANAaZckazb97o
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。565Please respect copyright.PENANAXE1tL9UUrM
3. 再從5L水桶倒出1L到3L水桶,就OK了。565Please respect copyright.PENANAawdxX7nzWZ
1. 把5L水桶裝滿倒進3L中,剩2L。565Please respect copyright.PENANAaZckazb97o
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。565Please respect copyright.PENANAXE1tL9UUrM
3. 再從5L水桶倒出1L到3L水桶,就OK了。565Please respect copyright.PENANAawdxX7nzWZ