Fun Math Problem
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18:25
The SAT Question Everyone Got Wrong
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7:35
Coolest Math Challenge
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7:22
This Geometry Challenge Took a While
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9:40
Find the Area with Calculus
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4:37
The Green Square Puzzle
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9:12
Internet is going wild over this problem
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22:09
The Simplest Math Problem No One Can Solve - Collatz Conjecture
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12:58