1. 把5L水桶裝滿倒進3L中,剩2L。554Please respect copyright.PENANAPmrxYO6tua
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。554Please respect copyright.PENANAxJHM9Z70F8
3. 再從5L水桶倒出1L到3L水桶,就OK了。554Please respect copyright.PENANAtd6Cr2PLTN
1. 把5L水桶裝滿倒進3L中,剩2L。554Please respect copyright.PENANAPmrxYO6tua
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。554Please respect copyright.PENANAxJHM9Z70F8
3. 再從5L水桶倒出1L到3L水桶,就OK了。554Please respect copyright.PENANAtd6Cr2PLTN