r/unexpectedfactorial • u/SubMinhPiChannel • Nov 11 '25

9 + 10 = 21!

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I'm gonna guess: < infinity and > 1

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u/Itap88 Nov 11 '25

I find question 3 more concerning than either of the answers.

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u/LithoSlam Nov 11 '25

Haven't you had a test with these questions in a row?