数学好的学霸们,帮我解一下题,要过程,用二元一次方程组解.小亮想买一幅球拍和一个书包,他看中的这两种商品在A,B两家超市的标价相同.球拍和书包的单价之和是452元,球拍的单价比书包的单
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![数学好的学霸们,帮我解一下题,要过程,用二元一次方程组解.小亮想买一幅球拍和一个书包,他看中的这两种商品在A,B两家超市的标价相同.球拍和书包的单价之和是452元,球拍的单价比书包的单](/uploads/image/z/4515333-69-3.jpg?t=%E6%95%B0%E5%AD%A6%E5%A5%BD%E7%9A%84%E5%AD%A6%E9%9C%B8%E4%BB%AC%2C%E5%B8%AE%E6%88%91%E8%A7%A3%E4%B8%80%E4%B8%8B%E9%A2%98%2C%E8%A6%81%E8%BF%87%E7%A8%8B%2C%E7%94%A8%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E7%BB%84%E8%A7%A3.%E5%B0%8F%E4%BA%AE%E6%83%B3%E4%B9%B0%E4%B8%80%E5%B9%85%E7%90%83%E6%8B%8D%E5%92%8C%E4%B8%80%E4%B8%AA%E4%B9%A6%E5%8C%85%2C%E4%BB%96%E7%9C%8B%E4%B8%AD%E7%9A%84%E8%BF%99%E4%B8%A4%E7%A7%8D%E5%95%86%E5%93%81%E5%9C%A8A%2CB%E4%B8%A4%E5%AE%B6%E8%B6%85%E5%B8%82%E7%9A%84%E6%A0%87%E4%BB%B7%E7%9B%B8%E5%90%8C.%E7%90%83%E6%8B%8D%E5%92%8C%E4%B9%A6%E5%8C%85%E7%9A%84%E5%8D%95%E4%BB%B7%E4%B9%8B%E5%92%8C%E6%98%AF452%E5%85%83%2C%E7%90%83%E6%8B%8D%E7%9A%84%E5%8D%95%E4%BB%B7%E6%AF%94%E4%B9%A6%E5%8C%85%E7%9A%84%E5%8D%95)
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