各种数学题,关于用“替换”的策略解决问题,1.买5千克的苹果和8千克的香蕉,共付了22元.已知3千克苹果的价钱等于4千克香蕉的价钱.苹果和香蕉的单价?2.请问买4张桌子和9把椅子共需252元,已知
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![各种数学题,关于用“替换”的策略解决问题,1.买5千克的苹果和8千克的香蕉,共付了22元.已知3千克苹果的价钱等于4千克香蕉的价钱.苹果和香蕉的单价?2.请问买4张桌子和9把椅子共需252元,已知](/uploads/image/z/1657099-19-9.jpg?t=%E5%90%84%E7%A7%8D%E6%95%B0%E5%AD%A6%E9%A2%98%2C%E5%85%B3%E4%BA%8E%E7%94%A8%E2%80%9C%E6%9B%BF%E6%8D%A2%E2%80%9D%E7%9A%84%E7%AD%96%E7%95%A5%E8%A7%A3%E5%86%B3%E9%97%AE%E9%A2%98%2C1.%E4%B9%B05%E5%8D%83%E5%85%8B%E7%9A%84%E8%8B%B9%E6%9E%9C%E5%92%8C8%E5%8D%83%E5%85%8B%E7%9A%84%E9%A6%99%E8%95%89%2C%E5%85%B1%E4%BB%98%E4%BA%8622%E5%85%83.%E5%B7%B2%E7%9F%A53%E5%8D%83%E5%85%8B%E8%8B%B9%E6%9E%9C%E7%9A%84%E4%BB%B7%E9%92%B1%E7%AD%89%E4%BA%8E4%E5%8D%83%E5%85%8B%E9%A6%99%E8%95%89%E7%9A%84%E4%BB%B7%E9%92%B1.%E8%8B%B9%E6%9E%9C%E5%92%8C%E9%A6%99%E8%95%89%E7%9A%84%E5%8D%95%E4%BB%B7%3F2.%E8%AF%B7%E9%97%AE%E4%B9%B04%E5%BC%A0%E6%A1%8C%E5%AD%90%E5%92%8C9%E6%8A%8A%E6%A4%85%E5%AD%90%E5%85%B1%E9%9C%80252%E5%85%83%2C%E5%B7%B2%E7%9F%A5)
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