六上最大公因數與最小公倍數
Authored by fisco14 fisco14
Mathematics
6th Grade
Used 15+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數不是質數？
13
17
27
31
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3、5、7、9、11、13、15、17，這些數中共有幾個質數？
5個
6個
7個
8個
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數是24的質因數？
1
2
6
9
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數不是70的質因數？
2
7
10
5
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
64和72的最大公因數是多少？
4
8
2
9
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
28和70的最大公因數是多少？
2
7
10
14
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
30和45的最小公倍數是多少？
15
3
90
5
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