1. 把5L水桶裝滿倒進3L中,剩2L。647Please respect copyright.PENANAUyuLc1lv7d
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。647Please respect copyright.PENANAWuJDqKHRpY
3. 再從5L水桶倒出1L到3L水桶,就OK了。647Please respect copyright.PENANAQbvV6xQCJm
1. 把5L水桶裝滿倒進3L中,剩2L。647Please respect copyright.PENANAUyuLc1lv7d
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。647Please respect copyright.PENANAWuJDqKHRpY
3. 再從5L水桶倒出1L到3L水桶,就OK了。647Please respect copyright.PENANAQbvV6xQCJm