A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
Math & LogicOne small ahaProduct2 × 19
Think it. Then flip it.✳ ahamoraTap to reveal ↻Back to the cue ↶
Math & LogicOne small aha
Your new aha38
✳ ahamoraReference ↗2 groups of 19 make 38. Reversing the factors, 19 × 2, gives the same product. Source: Multiplication table ↗