一个有理数的绝对值等于5,则这个数是 已知|x|=3,则x=已知|x-1|=3,则x=已知a、b互为相反数,c,d互为倒数,m是绝对值等于2的数,求a+b除a+b+c=m的平方-cd的值已知|ab-2|与|b-1|互为相反数,试求代数式ab分之
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![一个有理数的绝对值等于5,则这个数是 已知|x|=3,则x=已知|x-1|=3,则x=已知a、b互为相反数,c,d互为倒数,m是绝对值等于2的数,求a+b除a+b+c=m的平方-cd的值已知|ab-2|与|b-1|互为相反数,试求代数式ab分之](/uploads/image/z/579413-29-3.jpg?t=%E4%B8%80%E4%B8%AA%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%AD%89%E4%BA%8E5%2C%E5%88%99%E8%BF%99%E4%B8%AA%E6%95%B0%E6%98%AF+%E5%B7%B2%E7%9F%A5%7Cx%7C%3D3%2C%E5%88%99x%3D%E5%B7%B2%E7%9F%A5%7Cx-1%7C%3D3%2C%E5%88%99x%3D%E5%B7%B2%E7%9F%A5a%E3%80%81b%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Cc%2Cd%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2Cm%E6%98%AF%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%AD%89%E4%BA%8E2%E7%9A%84%E6%95%B0%2C%E6%B1%82a%2Bb%E9%99%A4a%2Bb%2Bc%3Dm%E7%9A%84%E5%B9%B3%E6%96%B9-cd%E7%9A%84%E5%80%BC%E5%B7%B2%E7%9F%A5%7Cab-2%7C%E4%B8%8E%7Cb-1%7C%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2C%E8%AF%95%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8Fab%E5%88%86%E4%B9%8B)
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