1. Mathematics can be fun
پدیدآورنده : Perelman, Iakov Isidorovich
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : ، Mathematical recreations,Problems, exercises, etc ، Algebra
رده :
QA
95
.
P474
1979
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