3是351的因数。
第2章 自然数的性质 测验

Quiz
•
Mathematics
•
7th Grade
•
Hard
JIA HENG ANG
Used 217+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
正确
错误
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些数是2的倍数也是3的倍数?
216
425
568
61
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪一些是质数?
1
2
3
4
5
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
求6的质因数
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
求49的质因数。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
求下列各数的最大公因数:
84,90
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
求下列各数的最大公因数:
27,126
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