若|x-1|+(y+2) 2 =0,则(x+y) 2003 =______

若|x-1|+(y+2) 2 =0,则(x+y) 2003 =______.
2024-11-19 12:29:11
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回答1:

由|x-1|+(y+2) 2 =0得:x-1=0,y+2=0,∴x=1,y=-2;因此(x+y) 2003 =(1-2) 2003 =(-1) 2003 =-1.