有理数abc在数轴上的位置如图 请化简丨a丨+丨b丨+丨a+b丨+丨b-c丨-丨a+1丨
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![有理数abc在数轴上的位置如图 请化简丨a丨+丨b丨+丨a+b丨+丨b-c丨-丨a+1丨](/uploads/image/z/755363-11-3.jpg?t=%E6%9C%89%E7%90%86%E6%95%B0abc%E5%9C%A8%E6%95%B0%E8%BD%B4%E4%B8%8A%E7%9A%84%E4%BD%8D%E7%BD%AE%E5%A6%82%E5%9B%BE+%E8%AF%B7%E5%8C%96%E7%AE%80%E4%B8%A8a%E4%B8%A8%2B%E4%B8%A8b%E4%B8%A8%2B%E4%B8%A8a%2Bb%E4%B8%A8%2B%E4%B8%A8b-c%E4%B8%A8-%E4%B8%A8a%2B1%E4%B8%A8)
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