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Террі Мур: Чому "х" позначає невідоме?
4,340,272 views |
Terry Moore |
TED2012
• February 2012
Read transcript
Чому "х" є символом, котрий позначає невідоме? В короткому та дотепному виступі Террі Мур дає несподівану відповідь.
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