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五年级数学(质数)

Authored by CHIENG Moe

Mathematics

5th Grade

Used 40+ times

五年级数学(质数)
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 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

30 sec • 1 pt

下列哪个数目是质数?

18

36

41

33

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

21至35之间共有多少个质数?

3

15

6

8

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪个说明是正确的?

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

7的下一个质数是8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

60 至 70之间的质数有哪些?

61,63,67

61,65,67

61,67

61,63,65,67,69

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一对数目都是质数?

19,91

13,31

57,75

14,41

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

从10 至 20,共有几个质数?

2

4

6

8

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