
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

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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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