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	Các bình luận về:  Cho tứ diện\(ABCD\)có\(AB = AC = BD = CD = 1\). Khi thể tích của khối tứ diện lớn nhất thì khoảng cách giữa hai đường thẳng\(AD\)và\(BC\)bằng	</title>
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	<description>Học toán, Đề thi toán, Sách giáo khoa Toán, trắc nghiệm Toán online</description>
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