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J. Marshall Unger
Professor, Department of East Asian Languages and Literatures
  • Home
  • Books
    • Studies in Early Japanese Morphophonemics
    • The Fifth Generation Fallacy
    • Konpyûta shakai to kanji
    • Literacy and Script Reform in Occupation Japan
    • Senryô-ka Nihon no hyôki kaikaku
    • Ideogram
    • The Role of Contact in the Origins of the Japanese and Korean Languages
    • A Framework for Introductory Japanese Language Curricula in American High Schools and Colleges
    • Shaping the Next Generation
    • Sangaku Proofs
    • Sangaku Reflections
  • Online Publications
    • 60 New Sangaku Problems
    • A Collection of 30 Sangaku Problems
    • Sangaku Problems with Ellipses
    • Chapter 3 of The Fifth Generation Fallacy
    • Chapter 1 of Literacy and Script Reform in Occupation Japan
    • Good ways to use computers in teaching (1985, rev. 2002; text in Japanese)
    • Writing Systems exhibit (Spring-Summer 2009)

A Collection of 30 Sangaku Problems

30_Sangaku.pdf

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