
单元一:质数
Authored by pm wong
Mathematics
University
Used 8+ times

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9 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
以下哪些是从40至50以内的质数?
(答案可多过一项)
41
43
46
47
49
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
以下哪项是从80至90之间的质数?
(答案可多过一项)
82
83
87
89
90
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
以下哪项是从90至100之间的质数?
(答案可多过一项)
91
93
94
97
99
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
在1到20的数目内,有多少个质数?
7
8
9
10
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
在20至50的数目内,有多少个质数?
7
8
9
10
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪个数目能被3和7整除?
39
42
49
91
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪个数目是合数?
41
51
61
71
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