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1130818最大公因數與最小公倍數

Authored by 鍾承均 桃園市_瑞祥國小_

Mathematics

3rd Grade

Used 2+ times

1130818最大公因數與最小公倍數
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下面哪一組數互質?

12、15

7、28

36、54

17、19

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

下面哪一組數都是質數?

23、49

29、31

35、37

33、41

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

甲和乙互質,下面哪一個算式的結果是甲和乙的最小公倍數?

甲+乙

甲-乙

甲×乙

甲÷乙

4.

OPEN ENDED QUESTION

3 mins • 1 pt

37的因數有( 1、37),它是( 質)數。(填質或合)

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

15的因數有( 1、3、5、15),它是( 合)數。(填質或合)

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OFF

6.

OPEN ENDED QUESTION

3 mins • 1 pt

1~20的整數中,最大的質數是( 19)。

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OFF

7.

OPEN ENDED QUESTION

3 mins • 1 pt

52的質因數有( 2、13)。

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OFF

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