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  1. contest math - Unsolved/Least Solved IMO Questions

    Unsolved/Least Solved IMO Questions Ask Question Asked 11 years, 4 months ago Modified 8 years, 5 months ago Viewed 8k times

  2. contest math - How can I learn how to solve hard problems like …

    Jul 11, 2024 · My question is: How does one come up with that second equality? I've checked that it holds and I understand it. But what action (generally speaking) should I take to get from the …

  3. math history - Dantzig's unsolved homework problems

    From Wikipedia: An event in George Dantzig 's life became the origin of a famous story in 1939 while he was a graduate student at UC Berkeley. Near the beginning of a class for which …

  4. reference request - Calculus book with extremely hard questions ...

    Sep 30, 2024 · They aren't simple calculus questions like homework questions. I want a book that has multiple extremely hard math problems just to practice for her test. It doesn't have to be …

  5. "World's Hardest Easy Geometry Problem" - Mathematics Stack …

    This question is a "corollary" (if you will) to the World's Hardest Easy Geometry Problem (external website). Formally, this is called Langley's Problem. The objective of that problem was to solve ...

  6. soft question - What are some of the Hardest Unsolved …

    May 8, 2016 · This question is way too broad. What defines "hardest?" Asking for explication is also a problem, because a rathole of detail can be gone down, while still not being useful. Why …

  7. A hard square root question - Mathematics Stack Exchange

    A hard square root question Ask Question Asked 11 years, 4 months ago Modified 4 years, 11 months ago Viewed 15k times

  8. Searching Websites which provide highly difficult math problems …

    Apr 26, 2017 · Searching Websites which provide highly difficult math problems to solve Ask Question Asked 8 years, 7 months ago Modified 4 years, 1 month ago

  9. Seeking challenging integrals for high school students

    Jan 13, 2021 · Seeking challenging integrals for high school students Ask Question Asked 4 years, 11 months ago Modified 1 month ago Viewed 6k times

  10. calculus - A Gaokao (College Entrance Exam in China) question …

    Aug 13, 2024 · A Gaokao (College Entrance Exam in China) question with regard to the function f(x) = x ln x f (x) = x ln x. Ask Question Asked 1 year, 5 months ago Modified 1 year, 4 months …