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which three counting numbers give the same answer on adding and multiplying?

The simplest answer is 1 and 2 and 3.
1+2+3=6
1x2x3=6

Other valid answers: 0, 0, 0
-1, 0, 1
-x, 0, x
1, 1.5, 5
The general formula here is: abc=a+b+c
abc-a=b+c
a(bc-1)=b+c
a=(b+c)/(bc-1)


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