1. 把5L水桶裝滿倒進3L中,剩2L。601Please respect copyright.PENANAAUuJSwVc23
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。601Please respect copyright.PENANAQjUwvQ7Taf
3. 再從5L水桶倒出1L到3L水桶,就OK了。601Please respect copyright.PENANAQsaWyxheHb
1. 把5L水桶裝滿倒進3L中,剩2L。601Please respect copyright.PENANAAUuJSwVc23
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。601Please respect copyright.PENANAQjUwvQ7Taf
3. 再從5L水桶倒出1L到3L水桶,就OK了。601Please respect copyright.PENANAQsaWyxheHb