
國七上第二次複習---因數倍數
Authored by 范雪凌 范雪凌
Mathematics
7th Grade
Used 7+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
附圖是利用短除法求出三數8、12、18的最大公因數的過程。利用短除法,求出這三數的最小公倍數為何?
12
72
216
432
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一選項中的兩數互質?
14、35
20、21
22、33
42、51
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
34、38、312的正公因數共有幾個?
3
4
5
81
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一組數的最小公倍數為兩數的乘積?
45、24
16、18
15、32
48、75
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
任意兩個相異的質數中,它們的最大公因數是多少?
0
1
2
兩數的乘積
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者正確?
( 22×33 , 2×32 )=22×32
〔22×33 , 2×32〕=22×32
( 22×33 , 2×32 )=2×32
〔22×33 , 2×32〕=2×33
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
a是大於1的整數,使 68 /a 、85/a 都可化成整數的a為何?
2
4
5
17
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