Instructions:
Fill the multiplication square so that the center fields are the results of the multiplication of the fields in the corners, which are adjacent central field.
Example
3
12
X
45
9
Solution
3
15
5
12
X
45
4
36
9
3 . 5 = 15 | 5 . 9 = 45 | 4 . 9 = 36 | 3 . 4 = 12