Question

把1,2,3,4,5,6,7,8,9,填在圈里(圈组成正方形)使横,竖着得数是15

Answer 1

5种答案.

①

4 9 2

3 5 7

8 1 6

②

2 9 4

7 5 3

6 1 8

③

8 1 6

3 5 7

4 9 2

④

6 1 8

7 5 3

2 9 4

⑤

4 3 8

9 5 1

2 7 6