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A LITTLE SOMETHING WORTH KNOWING

A small discovery. Yours to pass on.

Math & LogicOne small ahaSum

4 + 9

Think it. Then flip it. ahamoraTap to reveal Back to the cue
Math & LogicOne small aha
Your new aha13

4 + 9 = 13. Changing the order gives 9 + 4, the same sum. Source: Addition ↗

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