已知|a-b+3|+(b-9)^2=0,求a,b的值.

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已知|a-b+3|+(b-9)^2=0,求a,b的值.已知|a-b+3|+(b-9)^2=0,求a,b的值.已知|a-b+3|+(b-9)^2=0,求a,b的值.a=-12b=-9

已知|a-b+3|+(b-9)^2=0,求a,b的值.
已知|a-b+3|+(b-9)^2=0,求a,b的值.

已知|a-b+3|+(b-9)^2=0,求a,b的值.
a=-12 b=-9