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Длина диагонали куба ABCDA1B1C1D1 равна d. Найдите объем призмы AA1В1DD1C1

9Kira9 9Kira9    3   17.04.2019 03:50    8

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kristinalobanova6 kristinalobanova6  17.04.2019 03:50

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Длина диагонали куба ABCDA1B1C1D1 равна d. Найдите

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