购买5千克苹果和3千克梨共付58.5元,购买同样的苹果和梨3千克共付42.3元,每千克苹果多少元?

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• 某水果店第一次购买苹果5箱;梨4箱,共重115.7千克.第二次购买了同样的苹果6箱;梨2箱,重101.6千克.求一箱苹果和一箱梨各重多少千克?
• 某水果店第一次购买苹果5箱、梨4箱,共重115.7千克.第二次购买了同样的苹果6 箱、梨2箱共重101.6千克,求一箱苹果和一箱梨各种多少千克?
• 小明买了3千克梨和3千克苹果共付20.1元,小芳买了1千克梨和3千克苹果共付15.1元,每千克梨和每千克苹果各多少元?
• 一位市民在附近的超市购买了5千克苹果和3千克梨,共付了58.5元,另一名市民买了同样的苹果和梨各3千克,共付了42.3元.每千克苹果多少元?
• 小明买了3千克梨和3千克苹果共付20.1元，小芳买了1千克梨和3千克苹果共付15.1元．每千克苹果和每千克梨各多少元？
• 妈妈买3.5千克苹果和3千克梨共花了31.5元,李阿姨买同样的2千克苹果和3千克梨共花了23.4元.苹果每千克多少
• 小明买了3千克梨和3千克苹果共付20.1元，小芳买了1千克梨和3千克苹果共付15.1元．每千克苹果和每千克梨各多少元？
• 小明买了3千克苹果和2千克梨共付8.5元,小芳买了3千克梨和2千克苹果,共付9元,苹果和梨每千克多少钱?
• 小明买3千克梨和3千克苹果共付20.1元,小芳买1千克梨和3千克苹果付15.1元每千克苹果和梨各多少元、
• 小红买6.5千克苹果和3.5千克梨共付24.35元,苹果比梨每千克便宜0.1元,梨每千克多少元
• 一箱苹果连箱的质量是51.5千克，倒出一半后，连箱的质量是26.5千克，苹果的质量是多少千克？箱子的质量是多少千克？
• Many adults see teens as energetic.Many of us see ourselves as proud.This thinking__36__many adults and us to have the idea that if we can't handle school or__37__life well,we are just not trying hard.But in my opinion that may not be__38__.Earlier this school year,I was leaving my class one Friday__39__suddenly it__40__like I had pulled a muscle in my back.I knew I was ill.After a few days I stopped eating.This meant I lost__41__； the clothes that I