bigsmile123
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REF: 523963
03/01/2010
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ban vuluy tra loi sai roi. O cau thu 3 y, neu ban dua 2 co gai xuong thuyen thi luc 1 con quy nhay len va 1 co gai bat dau nhay xuong so quy se nhieu hon so nguoi 2>1= an thit. vi vay khong the dua 2 co gai sang song duoc.
Loi giai la: dau tien dua 1quy 1nguoi xuong thuyen, nguoi sang con quy tro ve, ben nay 2quy 2nguoi ben kia 1nguoi duoi thuyen 1quy. Sau do cho 1quy xuong thuyen dua sang, ben nay 2nguoi 1quy ben kia 1quy 1nguoi duoi thuyen 1quy. Tiep theo con quy lai tro 1nguoi sang song ben nay 1nguoi 1quy ben kia 2nguoi 1quy duoi thuyen 1quy.Va con quy lai dua not nguoi con lai sang the la` ben nay` 1quy ben kia 3nguoi 1quy duoi thuyen 1quy. Tiep theo neu muon 3quy o lai hoac sang song cung 3nguoi thi qua de con j nua. hehe
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