516 by webdva | 425 comments on Hacker News.
New best story on Hacker News: Why are Soviet math textbooks so hardcore in comparison to US textbooks? (2017)
Why are Soviet math textbooks so hardcore in comparison to US textbooks? (2017)
516 by webdva | 425 comments on Hacker News.
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516 by webdva | 425 comments on Hacker News.
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