
倍數、因數、質數、合成數、公因數、最大公因數、公倍數和最小公倍數

Quiz
•
Mathematics
•
1st - 5th Grade
•
Hard
P4E(21) Ethan
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 9 pts
1~20的整數中,最大的質數是什麼?
11
13
7
19
23
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
18和48的最小公倍數是什麼?
144
140
141
142
143
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下面哪一組數都是合成數?
23、49
29、31
35、37
33、 91
39、49
4.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
81有什麼因數?
1
3
27
以上都是
5.
FILL IN THE BLANK QUESTION
2 mins • 12 pts
求23的最初6個倍數
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