问题
填空题
若实数m,n满足|m+2|+(n-3)2=0,则m-n=______.
答案
∵实数m,n满足|m+2|+(n-3)2=0,∴m+2=0,n-3=0,即:m=-2,n=3;
故m-n=-2-3=-5.
若实数m,n满足|m+2|+(n-3)2=0,则m-n=______.
∵实数m,n满足|m+2|+(n-3)2=0,∴m+2=0,n-3=0,即:m=-2,n=3;
故m-n=-2-3=-5.