⑤x与y互为相反数,m与n互为倒数,a的绝对值等于1,求a^2-(x+y+mn)a+(x+y)^2012+(-mn)^2013的值.已知数轴上有两点A,B,它们分别表示互为相反数的两个数a,b(其中a>b),并且A,B两点间的距离是8,求a,b两数.、
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![⑤x与y互为相反数,m与n互为倒数,a的绝对值等于1,求a^2-(x+y+mn)a+(x+y)^2012+(-mn)^2013的值.已知数轴上有两点A,B,它们分别表示互为相反数的两个数a,b(其中a>b),并且A,B两点间的距离是8,求a,b两数.、](/uploads/image/z/390171-3-1.jpg?t=%E2%91%A4x%E4%B8%8Ey%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Cm%E4%B8%8En%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2Ca%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%AD%89%E4%BA%8E1%2C%E6%B1%82a%5E2-%28x%2By%2Bmn%29a%2B%28x%2By%29%5E2012%2B%28-mn%29%5E2013%E7%9A%84%E5%80%BC.%E5%B7%B2%E7%9F%A5%E6%95%B0%E8%BD%B4%E4%B8%8A%E6%9C%89%E4%B8%A4%E7%82%B9A%2CB%2C%E5%AE%83%E4%BB%AC%E5%88%86%E5%88%AB%E8%A1%A8%E7%A4%BA%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%E7%9A%84%E4%B8%A4%E4%B8%AA%E6%95%B0a%2Cb%28%E5%85%B6%E4%B8%ADa%3Eb%29%2C%E5%B9%B6%E4%B8%94A%2CB%E4%B8%A4%E7%82%B9%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E6%98%AF8%2C%E6%B1%82a%2Cb%E4%B8%A4%E6%95%B0.%E3%80%81)
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