
p401ch301lv2質數和合成數
Authored by SIUMAN Yu
Mathematics
4th Grade
Used 6+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一個不是質數?
5
7
12
17
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一個是質數?
53
32
81
50
3.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
在 1 至 100 中,最大的質數是 (a) 。
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一個是 100 以內 (包括 100 ) 的質數?
73
74
98
99
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一個是 20 以內(包括 20 ) 的合成數?
2
7
18
19
6.
MULTIPLE CHOICE QUESTION
45 sec • 20 pts
以下哪一個是 40 以內(包括 40 ) 的質數?
14
22
37
39
7.
MULTIPLE CHOICE QUESTION
45 sec • 10 pts
十行表中第8行有多少個質數?
1
2
3
4
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