..
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Pierrot
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Answer :

There are just six different solutions to this puzzle, as follows:

8 multiplied by 473 equals 3784
9 " 351 " 3159
15 " 93 " 1395
21 " 87 " 1287
27 " 81 " 2187
35 " 41 " 1435

It will be seen that in every case the two multipliers contain exactly the same figures as the product.





Math Genius