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Authored by Đức Lê

Fun

2nd Grade

Used 8+ times

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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Viết tập hợp sau A = {x ∈ N | 9 < x < 13} bằng cách liệt kê các phần tử:

A = {10, 11, 12}

A = {9, 10, 11}

. A = { 9, 10, 11, 12, 13}

A = {9, 10, 11, 12}

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Diện tích hình thoi có độ dài hai đường chéo lần lượt bằng 10cm và 12cm là:

60cm2

. 60m

60m2

60cm

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

12 + (5 + x) = 20

1

2

4

3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

175 + (30 – x) = 200

5

25

6

4

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

10 + 2x = 45 : 43

12

5

11

10

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

10x + 22.5 = 102

6061

61

63

64

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cặp số chia hết cho 2 là:

(234; 415)

(312; 450)

(675; 530)

(987; 123)

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