A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
Math & LogicOne small ahaProduct7 × 11
Think it. Then flip it.✳ ahamoraTap to reveal ↻Back to the cue ↶
Math & LogicOne small aha
Your new aha77
✳ ahamoraReference ↗7 groups of 11 make 77. Reversing the factors, 11 × 7, gives the same product. Source: Multiplication table ↗