2 2009 2008 |a+1|+(b-2) =0,求2 2009 2008|a+1|+(b-2) =0,求(a+b) +a的值.
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![2 2009 2008 |a+1|+(b-2) =0,求2 2009 2008|a+1|+(b-2) =0,求(a+b) +a的值.](/uploads/image/z/15158495-47-5.jpg?t=2+2009+2008+%7Ca%EF%BC%8B1%7C%EF%BC%8B%EF%BC%88b%EF%BC%8D2%EF%BC%89+%EF%BC%9D0%2C%E6%B1%822+2009+2008%7Ca%EF%BC%8B1%7C%EF%BC%8B%EF%BC%88b%EF%BC%8D2%EF%BC%89+%EF%BC%9D0%2C%E6%B1%82%EF%BC%88a%EF%BC%8Bb%EF%BC%89+%EF%BC%8Ba%E7%9A%84%E5%80%BC.)
2 2009 2008 |a+1|+(b-2) =0,求2 2009 2008|a+1|+(b-2) =0,求(a+b) +a的值.
2 2009 2008 |a+1|+(b-2) =0,求
2 2009 2008
|a+1|+(b-2) =0,求(a+b) +a
的值.
2 2009 2008 |a+1|+(b-2) =0,求2 2009 2008|a+1|+(b-2) =0,求(a+b) +a的值.
a+1=0,b-2=0
a=-1,b=2
(a+b) +a=(-1+2)+(-1)=0