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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

七上第二次段考-複習(學扶)
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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 P25×24×23×22×21,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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