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质数

Authored by Petty Oo

Mathematics

6th Grade

Used 531+ times

质数
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

什么是质数?

比 1 小的数目

只可以被 1 与 它本身整除

可以被 2个以上的数目整除

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪个数目是质数?

18

36

41

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪个数目是质数?

10

19

25

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪个的·说明是正确的?

5的下一个质数是7

11的下一个质数是12

23的下一个质数是24

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

21至35之间共有多少个质数?

3

6

15

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

60 至 70之间的质数有哪些?

61,63,67

61,65,67

61,67

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪一对数目都是质数?

19,91

13,31

57,75

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