已知a与b互为相反数,且 | a+2b | =2,b>0,则 (2a-ab)/(a²+ab+b-1)的值是?已知a与b互为相反数,且 | a+2b | =2,b>0,则 (2a-ab)/(a²+ab+b-1)的值是?
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![已知a与b互为相反数,且 | a+2b | =2,b>0,则 (2a-ab)/(a²+ab+b-1)的值是?已知a与b互为相反数,且 | a+2b | =2,b>0,则 (2a-ab)/(a²+ab+b-1)的值是?](/uploads/image/z/1758316-4-6.jpg?t=%E5%B7%B2%E7%9F%A5a%E4%B8%8Eb%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E4%B8%94+%7C+a%2B2b+%7C+%3D2%2Cb%EF%BC%9E0%2C%E5%88%99+%EF%BC%882a-ab%29%2F%28a%26%23178%3B%2Bab%2Bb-1%29%E7%9A%84%E5%80%BC%E6%98%AF%3F%E5%B7%B2%E7%9F%A5a%E4%B8%8Eb%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E4%B8%94+%7C+a%2B2b+%7C+%3D2%2Cb%EF%BC%9E0%2C%E5%88%99+%EF%BC%882a-ab%29%2F%28a%26%23178%3B%2Bab%2Bb-1%29%E7%9A%84%E5%80%BC%E6%98%AF%3F)
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