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合数与质数

Authored by OOI EE THEN THEN

Mathematics

1st - 5th Grade

合数与质数
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159 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在下列的数目中,哪个是质数?

39,51,79,65

39

51

79

65

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个数目不是质数?

79

71

69

67

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

那些是质数?

51

52

53

54

55

4.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

那些是质数?

21

22

23

24

25

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一组是合数?

8, 100

15, 83

44, 97

13, 58

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5、7、11都是质数

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下是哪个是质数?

9

15

23

35

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