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已知3个A零件，和5个B零件刚好配套，如何安排生产？一元一次方程
已知3个A零件，和5个B零件刚好配套，如何安排生产？一元一次方程应用题
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529/581
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