A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
Math & LogicOne small ahaProduct18 × 9
Think it. Then flip it.✳ ahamoraTap to reveal ↻Back to the cue ↶
Math & LogicOne small aha
Your new aha162
✳ ahamoraReference ↗18 groups of 9 make 162. Reversing the factors, 9 × 18, gives the same product. Source: Multiplication table ↗