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数学7上：若方程2x-4=6a，与一元一次方程的解相同，怎么求的值？
数学7上：若方程2x-4=6a，与一元一次方程的解相同，怎么求的值？
七年级数学上册，解一元一次方程，基础训练，培优考试真题77/176
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