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等差數列

Authored by chang shengchi

Mathematics

8th Grade

Used 15+ times

等差數列
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15 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

設2 , 5 , 8 , 11 ,……, an是一等數列,第十項是?

26

27

28

29

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

一等差數列的公差為5,第八項為16,則此數列的首項為?

19

-19

11

5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

首項的英文代號是?

a1

a2

a3

a

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

公差英文代號是?

y

x

b

d

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

第n項用英文表示?

na

an

a1

a2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

有一等差數列,公差為-4,如果每項都再加上5,則新數列的公差為多少?

5

1

-1

-4

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