kalynhope54891 kalynhope54891

21-06-2021
Mathematics

contestada

Chỗ hình chóp S.ABCD có đáy ABCD là hình vuông .SA=AB=2 SA vuông góc với đáy.Gọi T là điểm thoả mãn vector ST=1/2 vectơ AB tính thể tích khối đa diện ABCDST

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phamdat1432003 phamdat1432003

24-06-2021

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