1. 把5L水桶裝滿倒進3L中,剩2L。564Please respect copyright.PENANAtfL99LRRVn
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。564Please respect copyright.PENANAcnluMRyO3g
3. 再從5L水桶倒出1L到3L水桶,就OK了。564Please respect copyright.PENANA4RzLM8jmE7
1. 把5L水桶裝滿倒進3L中,剩2L。564Please respect copyright.PENANAtfL99LRRVn
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。564Please respect copyright.PENANAcnluMRyO3g
3. 再從5L水桶倒出1L到3L水桶,就OK了。564Please respect copyright.PENANA4RzLM8jmE7