
单元一:质数

Quiz
•
Mathematics
•
University
•
Medium
pm wong
Used 8+ times
FREE Resource
9 questions
Show all answers
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
8.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
这两个质数的和是10.
这两个质数的积是21.
请问这两个质数是什么?
2 和 8
3 和 7
4 和 6
9 和 1
9.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
质数 的主要条件是什么?
只能被1和该数整除。
一个不能被该数整除。
一个数除了1和该数本身外,还能被其他整数整除。
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