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1. 把5L水桶裝滿倒進3L中,剩2L。434Please respect copyright.PENANAzsuavEtBQb
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。434Please respect copyright.PENANAUEugTTe43H
3. 再從5L水桶倒出1L到3L水桶,就OK了。434Please respect copyright.PENANA9luiBoJ36e
1. 把5L水桶裝滿倒進3L中,剩2L。434Please respect copyright.PENANAzsuavEtBQb
2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。434Please respect copyright.PENANAUEugTTe43H
3. 再從5L水桶倒出1L到3L水桶,就OK了。434Please respect copyright.PENANA9luiBoJ36e