已知两个分式:A=一.已知两个分式:A=4/X²-4,B=(1/X+3)+(1/3-X),其中X≠±3,下面有三个结论:①A=B;②A、B互为倒数;③A、B互为相反数,请问哪个正确?为什么?(答案上就是①②是错的,③是
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![已知两个分式:A=一.已知两个分式:A=4/X²-4,B=(1/X+3)+(1/3-X),其中X≠±3,下面有三个结论:①A=B;②A、B互为倒数;③A、B互为相反数,请问哪个正确?为什么?(答案上就是①②是错的,③是](/uploads/image/z/8689309-61-9.jpg?t=%E5%B7%B2%E7%9F%A5%E4%B8%A4%E4%B8%AA%E5%88%86%E5%BC%8F%3AA%3D%E4%B8%80.%E5%B7%B2%E7%9F%A5%E4%B8%A4%E4%B8%AA%E5%88%86%E5%BC%8F%EF%BC%9AA%3D4%2FX%26sup2%3B-4%2CB%3D%EF%BC%881%2FX%2B3%EF%BC%89%2B%EF%BC%881%2F3-X%EF%BC%89%2C%E5%85%B6%E4%B8%ADX%E2%89%A0%C2%B13%2C%E4%B8%8B%E9%9D%A2%E6%9C%89%E4%B8%89%E4%B8%AA%E7%BB%93%E8%AE%BA%EF%BC%9A%E2%91%A0A%3DB%EF%BC%9B%E2%91%A1A%E3%80%81B%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%EF%BC%9B%E2%91%A2A%E3%80%81B%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E8%AF%B7%E9%97%AE%E5%93%AA%E4%B8%AA%E6%AD%A3%E7%A1%AE%3F%E4%B8%BA%E4%BB%80%E4%B9%88%3F%EF%BC%88%E7%AD%94%E6%A1%88%E4%B8%8A%E5%B0%B1%E6%98%AF%E2%91%A0%E2%91%A1%E6%98%AF%E9%94%99%E7%9A%84%2C%E2%91%A2%E6%98%AF)
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