Треугольники
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4:01
Четырёхугольники
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1:37:27
Виленкин. 6 класс за 100 минут. Математика: теория чисел, дроби, уравнения
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7:58
Math Antics - Circles, What Is PI?
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2:02:22
Mozart - Classical Music for Brain Power
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41:56
Parallel and Perpendicular Lines, Transversals, Alternate Interior Angles, Alternate Exterior Angles
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7:43
Molly Wright: How Every Child Can Thrive by Five | TED
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6:16
Using Nintendo Labo to make an impossible game
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20:31