
质数与合数
Authored by HUANG Moe
Mathematics, Fun, Education
6th Grade
CCSS covered
Used 137+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
请问什么是质数?
质数是除了1和它本身,还能被其他数整除的奇数。
质数是除了1和它本身,还能被其他数整除的偶数。
质数是除了1和它本身,还能被其他数整除的数。
质数是只能被1和它本身整除的数。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下的数目哪项是属于质数?
3, 5, 7, 9, 11,13
11, 13, 17, 19, 23
23, 27, 37, 41, 45
21, 31, 41, 51, 61
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
44 至62之间有多少个数字是质数?
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 至20之间有多少个数字是合数?
10
11
12
13
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一组是合数?
8, 100
15, 83
44, 97
13, 58
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一组是质数?
21, 31
83, 90
43, 63
61, 97
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个数目不是质数?
79
71
69
67
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