Ôn tập các phép toán trên vecto
Authored by Xuân Đinh
Mathematics
10th Grade
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hình bình hành ABCD với tâm O. Kết quả nào sau đây là đúng?
AB = OB - OA
CO - OB = BA
AB = AC
AO + OD = CB
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ba vectơ a, b, c là các vectơ khác không. Câu nào sau đây là sai?
a + b = b + a
(a + b) + c = a + (b + c)
a + 0 = a
0 + a = 0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho một hình bình hành ABCD. Tổng vector CB + CD bằng:
CA
BD
AC
DB
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ba điểm khác nhau A, B, C. Câu nào sau đây là sai?
AB + BC = AC
CA + BC = BA
CB + AC = BA
CB + AC = AB
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho bốn điểm khác nhau A, B, C, D. Tổng vector AB + CD + BC + DA bằng:
0
AC
BC
BA
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho tam giác ABC. Gọi M, N, P lần lượt là trung điểm của AB, BC, CA. Tổng vector MP + NP bằng:
BP
MN
CP
AP
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cho hình bình hành ABCD và I là giao điểm của hai đường chéo. Trong số các phát biểu sau, phát biểu nào là đúng?
IA + DC = IB
AB + AC = BD
IA + IB = ID
IA = IC
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