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«No Bullshit Guide to Math and Physics. Give me two weeks of your attention and I will teach you everything you need to know about equations, functions, vectors, limits, derivatives, integrals, forces, accelerations and optics.» #hellyeah - http://minireference.com/
«Tra­di­tional text­books are too long, too ex­pen­sive and too bor­ing. The rea­son why text­book pub­lish­ers pro­duce such large text­books is so that they can charge you 150$ for each text­book.» ‎- 9000
Купили? ‎- ati
посмотрел и заказал. Буду проходить с детьми. ‎- abbra

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