
Biểu thức tọa độ véc tơ trong không gian
Authored by Yến 3A1
Mathematics
12th Grade
Used 8+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
(-1;-1;-3)
(3;1;1)
(1;1;3)
(1;1;-3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(1;4;1)
(-1;-2;3)
(1;2;-3)
(1;2;3)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian Oxyz, cho hai điểm A(2;-4;3) và B(2;2;7). Trung điểm của đoạn thẳng AB có tọa độ là
(4;-2;10)
(1;3;2)
(2;4;6)
(2;-1;5)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong không gian cho hệ trục toạ độ Oxyz, cho ba điểm A(1;-2;3), B(-1;2;5), C(0;0;1). Tìm toạ độ trọng tâm G của tam giác .
(0;0;3)
(0;0;9)
(1;0;3)
(0;0;1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-1
1
0
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
a) Đúng
b) sai
a) sai
b) Đúng
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