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一元一次方程配套问题，多少张铝皮做盒身？多少张铝皮做盒底？
数学七年级，一元一次方程配套问题，多少张铝皮做盒身？多少张铝皮做盒底？
七年级数学，一元一次方程应用题，各种类别的题型，这里都有详解363/581
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