1、已知实数a满足|1992-a|+√(a-1993)=a,求a-1992^2的值(| |表示绝对值,√表示根号,^表示次方,^2就表示两次方,以此类推)2、已知m、n是实数,且满足4m^2+9n^2-4m+6n+2=0,求分式(18n^2+24n+4)/(4m^2+4m-1
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![1、已知实数a满足|1992-a|+√(a-1993)=a,求a-1992^2的值(| |表示绝对值,√表示根号,^表示次方,^2就表示两次方,以此类推)2、已知m、n是实数,且满足4m^2+9n^2-4m+6n+2=0,求分式(18n^2+24n+4)/(4m^2+4m-1](/uploads/image/z/7838123-59-3.jpg?t=1%E3%80%81%E5%B7%B2%E7%9F%A5%E5%AE%9E%E6%95%B0a%E6%BB%A1%E8%B6%B3%7C1992-a%7C%2B%E2%88%9A%EF%BC%88a-1993%EF%BC%89%3Da%2C%E6%B1%82a-1992%5E2%E7%9A%84%E5%80%BC%EF%BC%88%7C+%7C%E8%A1%A8%E7%A4%BA%E7%BB%9D%E5%AF%B9%E5%80%BC%2C%E2%88%9A%E8%A1%A8%E7%A4%BA%E6%A0%B9%E5%8F%B7%2C%5E%E8%A1%A8%E7%A4%BA%E6%AC%A1%E6%96%B9%2C%5E2%E5%B0%B1%E8%A1%A8%E7%A4%BA%E4%B8%A4%E6%AC%A1%E6%96%B9%2C%E4%BB%A5%E6%AD%A4%E7%B1%BB%E6%8E%A8%EF%BC%892%E3%80%81%E5%B7%B2%E7%9F%A5m%E3%80%81n%E6%98%AF%E5%AE%9E%E6%95%B0%2C%E4%B8%94%E6%BB%A1%E8%B6%B34m%5E2%2B9n%5E2-4m%2B6n%2B2%3D0%2C%E6%B1%82%E5%88%86%E5%BC%8F%EF%BC%8818n%5E2%2B24n%2B4%EF%BC%89%2F%EF%BC%884m%5E2%2B4m-1)
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