1. 把5L水桶裝滿倒進3L中,剩2L。556Please respect copyright.PENANA9R7gqRJOGH
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。556Please respect copyright.PENANAfzPJgW0jyD
3. 再從5L水桶倒出1L到3L水桶,就OK了。556Please respect copyright.PENANAI96chQoZMi
1. 把5L水桶裝滿倒進3L中,剩2L。556Please respect copyright.PENANA9R7gqRJOGH
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。556Please respect copyright.PENANAfzPJgW0jyD
3. 再從5L水桶倒出1L到3L水桶,就OK了。556Please respect copyright.PENANAI96chQoZMi