Teachers and parrents

Instructions:

Add the pre-given numbers to the table so that the sum of the fields in each row, column, and diagonals is the same.

Example

 
 
0
 
 
0
 
 
0
 
 
0
 
0
0
0
 
0

Use only these numbers

5
7
9
11
13
15
17
19
21

Solution

 
 
7
21
11
39
 
 
17
13
9
39
 
 
15
5
19
39
 
 
39
 
39
39
39
 
39

Use only these numbers

5
7
9
11
13
15
17
19
21

Solve exercises