No Plagiarism!1G5zGTVv5E6ATLrv7GmGposted on PENANA 1. 把5L水桶裝滿倒進3L中,剩2L。663Please respect copyright.PENANAfY7nW0iw7Q
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2. 3L水桶倒空,2L從5L水桶倒過來後,把5L再次裝滿。663Please respect copyright.PENANAlZ1nSU3Edk
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3. 再從5L水桶倒出1L到3L水桶,就OK了。663Please respect copyright.PENANA7vviFptdyU
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