Multiplication square with pranksters

Example

9
 
24
 
4
6
6
24
54
54

Solution

9
54
6
54
 
24
6
24
4

9 . 6 = 54 | 6 . 4 = 24 | 6 . 4 = 24 | 9 . 6 = 54
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Multiplication square with pranksters
Multiplication square with pranksters

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