
倍數和因數
Authored by 岑梽超老師 Sum Chi Chiu
Mathematics
1st - 8th Grade
Used 6+ times

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15 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪些數不是70的因數?
2
3
5
7
20
2.
OPEN ENDED QUESTION
3 mins • Ungraded
用列舉法找出28和60的所有公因數。
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3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
用短除法找出48和64的L.C.M.。
4.
OPEN ENDED QUESTION
2 mins • Ungraded
寫出6和8的最初4個公倍數。
Evaluate responses using AI:
OFF
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下哪一個數是42的倍數?
1
7
63
84
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
的首3個倍數: , 30 , 45。那麼,以下哪個數是 的因數?
2
15
30
60
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
9和15的最小公倍數是45。那麼它們的第8個公倍數是甚麼?
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