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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaDifference

21 − 1

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha20

21 − 1 = 20. The difference tells you the gap between 1 and 21. Source: Subtraction ↗

ahamoraReference ↗

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