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Jie-Ying Lee 李杰穎

@jayinnn

NYCU CS

Joined August 2014
Jie-Ying Lee 李杰穎 Reposted

Q: How many seconds will have passed this year by the end of today, after exactly 6 weeks of the year has passed? A: 10! = 6 weeks = 6×7 days = 6×7×24 hours = 6×7×24×60 mins = 6×7×24×60×60 seconds = 6×7×(8×3)×(3×10×2)×(5×4×3) seconds = 10×9×8×7×6×5×4×3×2 seconds = 10! seconds


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