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单元一:质数

Authored by pm wong

Mathematics

University

Used 8+ times

单元一:质数
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9 questions

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1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

以下哪些是从40至50以内的质数?

(答案可多过一项)

41

43

46

47

49

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

以下哪项是从80至90之间的质数?

(答案可多过一项)

82

83

87

89

90

3.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

以下哪项是从90至100之间的质数?

(答案可多过一项)

91

93

94

97

99

4.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

在1到20的数目内,有多少个质数?

7

8

9

10

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

在20至50的数目内,有多少个质数?

7

8

9

10

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下哪个数目能被3和7整除?

39

42

49

91

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

以下哪个数目是合数?

41

51

61

71

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