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南一國中數學2下ch1-1

Authored by 數學 南一

Mathematics

8th Grade

Used 22+ times

南一國中數學2下ch1-1
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個選項中的數列不是等差數列?

1 , 2 , 3 , 4 , 5 , 6 , 7 , 8

2 , 2 , 2 , 2 , 2 , 2 , 2 , 2

0 , 1 , 0 , 1 , 0 , 1 , 0 , 1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在7與117之間要放入19個數,使之成為等差數列,則最中間的數為多少?

51

56.5

62

67.5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有一等差數列共11項,已知前三項的和為54,後三項的和為6,則此數列的第六項為多少?

5

6

8

10

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

有兩個等差數列318 , 315 , 312 , ……與6 , 11 , 16 , ……,若此兩數列的第k項相同,則k=?

36

37

38

40

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

宜庭想買一雙1000元的球鞋,但現在只有150元,他計畫自8月1日起,每日儲蓄15元,問要到9月幾日才能買到一雙球鞋?

24

25

26

27

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

附圖是由火柴棒排成的正三角形,若有360根火柴棒,則最多可以排出多少個正三角形?

120

119

180

179

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

中正路左側的住家門牌號碼編法為1,3,5,7,9,11,……,為一等差數列;右側的住家門牌號碼編法為2,4,6,8,10,12,……,為一等差數列,則下列何者錯誤

右側第55間住家為110號

右側第46間住家為92號

左側第61間住家為119號

左側第55間住家為109號

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