1. 把5L水桶裝滿倒進3L中,剩2L。625Please respect copyright.PENANAcf6PyJHmde
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。625Please respect copyright.PENANAuha5XxB2jn
3. 再從5L水桶倒出1L到3L水桶,就OK了。625Please respect copyright.PENANAcgpg0Nz25O
1. 把5L水桶裝滿倒進3L中,剩2L。625Please respect copyright.PENANAcf6PyJHmde
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。625Please respect copyright.PENANAuha5XxB2jn
3. 再從5L水桶倒出1L到3L水桶,就OK了。625Please respect copyright.PENANAcgpg0Nz25O