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đề toán

Authored by Nguyen QP0395

Professional Development

12th Grade

50 Questions

Used 3+ times

đề toán
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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trên mặt phẳng tọa độ, điểm biểu diễn số phức z = 7 − 6i có tọa độ là

(−6; 7)

(6; 7)

(7; 6)

(7; −6)

Answer explanation

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2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Answer explanation

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Chắc k sai đâu nhỉ

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(−∞; 1].

(1; +∞).

[1; +∞).

(−∞; 1).

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3

1/2

1/4

7/2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Trong không gian Oxyz, mặt phẳng (P): x + y + z + 1 = 0 có một vectơ pháp tuyến là:

(−1; 1; 1).

(1; 1; −1).

(1; 1; 1).

(1; −1; 1).

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A

B

C

D

Answer explanation

Media Image

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