1. 把5L水桶裝滿倒進3L中,剩2L。604Please respect copyright.PENANAmRX23npXw5
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。604Please respect copyright.PENANAjnczPFXrlv
3. 再從5L水桶倒出1L到3L水桶,就OK了。604Please respect copyright.PENANAg2crqWRZKg
1. 把5L水桶裝滿倒進3L中,剩2L。604Please respect copyright.PENANAmRX23npXw5
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。604Please respect copyright.PENANAjnczPFXrlv
3. 再從5L水桶倒出1L到3L水桶,就OK了。604Please respect copyright.PENANAg2crqWRZKg