若|x+3|与|y-2|互为相反数那么x+3=0,y-2=0所以x=-3,y=2所以x+y+3=-3+2+3=2如果不懂,请追问,祝学习愉快!
|x+3|与|y-2|互为相反数则|x+3|+|y-2|=0x+3=0,y-2=0x=-3,y=2x+y+3=-3+2+3=2