
质数
Authored by Petty Oo
Mathematics
6th Grade
Used 531+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
什么是质数?
比 1 小的数目
只可以被 1 与 它本身整除
可以被 2个以上的数目整除
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪个数目是质数?
18
36
41
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪个数目是质数?
10
19
25
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪个的·说明是正确的?
5的下一个质数是7
11的下一个质数是12
23的下一个质数是24
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
21至35之间共有多少个质数?
3
6
15
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
60 至 70之间的质数有哪些?
61,63,67
61,65,67
61,67
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪一对数目都是质数?
19,91
13,31
57,75
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