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Mathematics, 16.06.2021 19:40 omar2334

Cho hình chóp S. ABC có đáy abc là hình vuông tại A. Có ab = a, ac = a^3 . Mặt bên SAB là tam giác đều nằm trong măth phẳng vuông góc với ABC . Tính theo a thể tích khối chóp

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