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倍數、因數、質數和合成數

Authored by 梁淑儀 梁淑儀

Mathematics

2nd Grade

Used 53+ times

倍數、因數、質數和合成數
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10 questions

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1.

FILL IN THE BLANK QUESTION

30 sec • 1 pt

12的第3個倍數是___。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一個 不是 18的因數?

2

3

7

9

3.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

以下哪些是27的因數?(答案可多於一個)

3

7

9

27

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

10以內,有多少個合成數?

4

5

6

7

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

某數的第2個倍數是24,某數是___?

12

24

6

8

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一個不是 質數?

1

5

13

23

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

32共有多少個因數?

4

6

8

10

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