De thi 9/6
Authored by Hung Quang
Mathematics
12th Grade
Used 2+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số phức liên hợp của z=1-2i là
2-i
2+i
1+2i
-1-2i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
R
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Hàm số nào sau đây đồng biến trên R
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
q=3
q=4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong không gian Oxyz cho hai mặt phẳng (P): x-2y+3z+1=0 và (Q): 2x-4y+6z+1=0. Khi đó
(P) // (Q)
(P) cắt (Q)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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