Monthly Archives: February 2014

The Magic of 37

If x is a multiplication of 3 (3,6,9,12,15,….) 37 * x = y1y2y3 = z  y1 + y2 + y3 = x y1 = z div 100 y2 = (z mod 100) div 10 y3 = (z mod 10) div 1 Examples:37*3 = 1111+1+1 = … Continue reading

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