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数学7上：数轴动点压轴题，若3AP+2PB-mOP为定值？怎么求参数m？
数学7上：数轴动点压轴题，若3AP+2PB-mOP为定值？怎么求参数m？
初中数学，数轴动点问题，绝对值最值，基础训练，培优专题25/100
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