1千克葡萄的价钱等于3千克苹果的价钱,也等于4.5千克梨的价钱,等于1千克苹果加2千克桃和1千克的梨的价钱.那么1千克葡

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  • 3千克苹果的价钱,也等于4.5千克梨的价钱1千克苹果的价钱=1.5千克的梨的价钱即1千克的梨的价钱=2/3千克的苹果的价钱2千克苹果的价钱=2千克桃的价钱+1千克的梨的价钱2千克苹果的价钱=2千克桃的价钱+2/3千克苹果的价钱4...