Let's see who can find the result of the last equation:


  • $\begingroup$ @TheSimpliFire should see this if he/she has not already :D $\endgroup$ – Mr Pie Jul 21 '18 at 9:18

39*40 =



1290, 1380, 1470 and 1560 are the real results of those operations

and that way,

each column are those results

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