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bài ôn luyện số 3

Authored by lanhuong vu

Biology, World Languages, Mathematics

KG

Used 1+ times

bài ôn luyện số 3
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

6 + 7 =

23

13

31

11

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

12 + 8 = 20. Vậy 20 là

Hiệu

Tổng

số hạng

số trừ

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Chọn ý so sánh đúng:

23 < 32

12 > 13

17 < 18

12 + 5 = 8 + 9

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

9 + 8 - 2 =

16

17

15

14

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

8 + 7 + 5 =

18

17

19

20

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

6 + 9 - 1 =

15

14

13

16

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Số liền trước của số 65 là số?

67

64

65

66

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