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De thi 9/6

Authored by Hung Quang

Mathematics

12th Grade

Used 2+ times

De thi 9/6
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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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