
TÀI LIỆU HỌC TẬP TOÁN 12- CHẤT LƯỢNG BÀI GIẢNG: TỌA ĐỘ TRONG KHÔNG GIAN OXYZ
8 | BIÊN SOẠN VÀ GIẢNG DẠY: TRẦN VĂN TÀI
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1; 2; 3 , 0; 3; 7 , 12; 5; 0
A BC
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3; 1; 2 , 1; 2; 1 , 1; 1; 3ABC
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