
七上第二次段考-複習(學扶)
Authored by 蔡佩旻 蔡佩旻
Mathematics
7th Grade
Used 3+ times

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19 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
182、165、236、437、639、1947六數中,2的倍數有a個、3的倍數有b個、5的倍數有c個、9的倍數有d個、11的倍數有e個,下列何者正確?
a=2
b=3
c+d=2
e=2
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
下列哪些數不是質數?
39
79
97
91
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
630的標準分解式為?
2 × 32 × 5 × 72
2 × 32 × 5 × 7
2 × 3 × 5 × 72
22 × 3× 5 × 7
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
將正整數 N 的所有正因數由小至大排列如下:1,a,
3,b,c,d,e,f,g,42,h,N,判斷下列敘述何者
正確?〔96.基測Ⅱ〕
d 是 a 的 3 倍
e 是 3 的 3 倍
f 是 b 的 3 倍
42 是 d 的 3 倍
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設 P=25×24×23×22×21,則 P 有幾個相異質因數?
6
8
9
12
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
求22 × 34 × 7 × 11 , 24 × 33 × 52 × 11的最大公因數與最小公倍數?
(22 × 34 × 7 × 11 , 24 × 33 × 52 × 11)=22 × 33 × 11
(22 × 34 × 7 × 11 , 24 × 33 × 52 × 11)=24 × 33 × 11
[22 × 34 × 7 × 11 , 24 × 33 × 52 × 11]=24 × 34 × 52 × 7× 11
[22 × 34 × 7 × 11 , 24 × 33 × 52 × 11]=22 × 33 × 52 × 7× 11
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設兩正整數之最大公因數為 12,最小公倍數為 360,知其中一數為 60,則另一數為何?
24
36
63
72
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