六上數學(一)1-1&1-2
Authored by Jinji Tsai
Mathematics
6th Grade
Used 24+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
小於 30 的奇數中，有幾個是質數？
7 個
8 個
9 個
10 個
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1的因數有1個，2的因數有2個，3的因數有幾個？
1個
2個
3個
4個
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
下列哪一個數的質因數個數最多？
20
24
25
30
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
最小的質數和最小的合數加起來是多少？
3
5
6
7
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
3 不是下列何者的質因數？
222
213
109
711
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列何者不是合數？
21
23
25
27
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將數用質數與合數來分類，下列哪一個數與其他三者不同？
11
21
31
41
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