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Помогите с геометрией. Напишите на листке решение.. не описываете с интерната
Ответы 1
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Ответ:
↑BO = 1/2(↑a) + 1/4(↑b)
Объяснение:
↑AA₁ = ↑BA₁ - ↑BA = 1/2↑b - ↑a
↑BO = ↑BA + ↑AO = ↑BA + 1/2↑AA₁
↑BO = ↑a + 1/2(1/2↑b - ↑a) = ↑a + 1/4↑b - 1/2↑a
↑BO = 1/2↑a + 1/4↑b
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Автор:
rufflesdwoc - 5 лет назад
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Предмет:
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Автор:
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