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1-1等差數列

Authored by leef lin

Mathematics

8th Grade

Used 14+ times

1-1等差數列
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列何者為等差數列?

1 , -1 , 1 , -1

1 , 2 , 4 , 8

3 , 3 , 3 , 3

6,7,6,7,6,7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一個數列不是等差數列? 

903 , 908 , 913 , 918 , ……

 4 , 6 , 9 , 13.5 , ……

-15 , -12 , -9 , …… 

2π , 3π , 4π , 5π , ……

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

試在下列空格中填入適當的數,使各數列成為等差數列:

1 , 5 , 9 ,( ) ,17..........

11

12

13

15

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a1=1d=3a7=?a_1=1,d=3,a_7=?  

19

22

25

16

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 a1=8d=7a8=?a_1=8,d=7,a_8=?  

57

64

71

50

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若等差數列的首項為4,公差為 -\frac{3}{2} ,則這個等差數列的第7項為何?

-7/2

-5

2

-3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若等差數列的第6項為5,公差為3,則這個等差數列的首項為何?

-13
-10
21
24

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