
六上數學1.1-1.2
Authored by 蔡佩伶 蔡佩伶
Mathematics
6th - 8th Grade
Used 1+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數是15的質因數?
1
3
10
15
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數不是合數?
41
40
32
16
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3、4、5、7、11、12、15、16、17,這些數中共有幾個質數?
4個
5個
6個
7個
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪一個算式的積是質數?
2×11
3×19
7×31
1×17
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
把90做質因數分解,下面哪一個答案是正確的?
90=9×10
90=2×5×9
90=2×3×15
90=2×3×3×5
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數不是質數?
13
15
17
29
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪一個數是合數?
37
29
22
17
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