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p401ch301lv2質數和合成數

Authored by SIUMAN Yu

Mathematics

4th Grade

Used 6+ times

p401ch301lv2質數和合成數
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個不是質數?

5

7

12

17

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個是質數?

53

32

81

50

3.

FILL IN THE BLANK QUESTION

1 min • 1 pt

在 1 至 100 中,最大的質數是 __________ 。

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個是 100 以內 (包括 100 ) 的質數?

73

74

98

99

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個是 20 以內(包括 20 ) 的合成數?

2

7

18

19

6.

MULTIPLE CHOICE QUESTION

45 sec • 20 pts

以下哪一個是 40 以內(包括 40 ) 的質數?

14

22

37

39

7.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

十行表中第8行有多少個質數?

1

2

3

4

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