小刚买5盒糖,小强买4盒,共用去44元.如果两人互相交换一盒物品,两人物品的价值就相等.一盒糖和一盒饼干
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![小刚买5盒糖,小强买4盒,共用去44元.如果两人互相交换一盒物品,两人物品的价值就相等.一盒糖和一盒饼干](/uploads/image/z/3042536-32-6.jpg?t=%E5%B0%8F%E5%88%9A%E4%B9%B05%E7%9B%92%E7%B3%96%2C%E5%B0%8F%E5%BC%BA%E4%B9%B04%E7%9B%92%2C%E5%85%B1%E7%94%A8%E5%8E%BB44%E5%85%83.%E5%A6%82%E6%9E%9C%E4%B8%A4%E4%BA%BA%E4%BA%92%E7%9B%B8%E4%BA%A4%E6%8D%A2%E4%B8%80%E7%9B%92%E7%89%A9%E5%93%81%2C%E4%B8%A4%E4%BA%BA%E7%89%A9%E5%93%81%E7%9A%84%E4%BB%B7%E5%80%BC%E5%B0%B1%E7%9B%B8%E7%AD%89.%E4%B8%80%E7%9B%92%E7%B3%96%E5%92%8C%E4%B8%80%E7%9B%92%E9%A5%BC%E5%B9%B2)
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