将-2,-1 ,0,1,2,3,4,5,6这9个数填入有九个正方形的空格内,使每列每行斜对角三个数的和均为六.

问题描述:

将-2,-1 ,0,1,2,3,4,5,6这9个数填入有九个正方形的空格内,使每列每行斜对角三个数的和均为六.
应怎填?

5 -2 3
0 2 4
1 6 -1