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CH1最大公因數與最小公倍數

Authored by 黃子晏教師 黃子晏教師

Mathematics

6th Grade

Used 11+ times

CH1最大公因數與最小公倍數
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

何者為質數?

7

8

9

10

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

何者為合數?

1

2

3

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

何者的因數有2?

11

12

13

15

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

99的質因數分解後為?

9 ×\times 11

3 ×\times 33

3 ×\times 3 ×\times 11

9 ×\times 9 ×\times 1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者不是2 ×\times  5 ×\times  7的因數?

2 ×\times  5

2 ×\times  7

2 ×\times  2

5 ×\times  5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

42 ==  2 ×\times  3 ×\times  7、63 ==  3 ×\times  3 ×\times  7,求42和63的最大公因數?

21

23

3

7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

求5和15的最小公倍數?

30

25

20

15

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