
康數601101-102質數合數質因數
Authored by 老師 楊
Mathematics
1st - 5th Grade
Used 3+ times

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31 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下面哪一個數是15的質因數?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下面哪一個是50的質因數分解?
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下面哪一個數不是合數?
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3、4、5、7、11、12、15、16、17,這些數中共有幾個質數?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一個質數是某一個整數的因數時,我們稱這個質數為該整數的什麼數?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
把90做質因數分解,下面哪一個答案是正確的?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下面哪一個數不是質數?
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