倍數、因數、質數和合成數
Authored by 梁淑儀 梁淑儀
Mathematics
2nd Grade
Used 53+ times
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10 questions
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1.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
12的第3個倍數是 (a) 。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一個 不是 18的因數？
2
3
7
9
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
以下哪些是27的因數？（答案可多於一個）
3
7
9
27
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10以內，有多少個合成數？
4
5
6
7
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
某數的第2個倍數是24，某數是___？
12
24
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一個不是 質數？
1
5
13
23
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
32共有多少個因數？
4
6
8
10
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