Entrance examination to Stanford University
10:23
A math olympiad problem that looks complicated, but it's easy to solve
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Harvard University Admission Interview Tricks
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Solving x^5=1
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Hardest Exam Question | Only 8% of students got this math question correct
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Solving a tricky SAT square root problem | Be Careful!
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Kaprekar's Constant
16:33
3x+1 = 90 YILDIR ÇÖZÜLEMEYEN BASİT İŞLEM
37:00