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    Name national elem_algebra_002_001 Квадрат суммы геометрически
    Name international elem_algebra_002_001 Kvadrat summy geometricheski
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    Source of objectCreated by the viewed user
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    644 902  byte
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    800
    Date of creation18 April 2015 Year 23H:07M:18S
    Date of update   22 December 2023 Year 23H:10M:55S

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    elem_algebra_002_001 Квадрат суммы геометрически elem_algebra_002_001 Kvadrat summy geometricheski
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    Докажите равенство геометрически
    (a + b)^2 = a^2 + 2ab + b^2
    Подсказка:
    Рассмотрите квадрат со стороной a + b и посчитайте его площадь двумя способами: целиком и по частям
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