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致用高中料二乙練習卷_111_1_1

Authored by 賴珍寧 賴珍寧

Mathematics

11th Grade

Used 5+ times

致用高中料二乙練習卷_111_1_1
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 2 pts

2.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

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23

28

33

38

3.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

(9,44)

(-9,44)

Answer explanation

若a,b,c三數為等比數列,則稱b為a與c的等比中項(幾何平均數)。

若 a 、 b、 c 三數成等差數列,則中間項 b 稱為 a和 c 的等差中項。

4.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

1093

1094

3280

3281

5.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

若等差數列的第10項為57,第25項為-3,則公差為

-2

-4

-6

-8

6.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

有一份數學試卷,共23題,總分100分。其中單選題每題5分有8題,填充題每題4分有15題。若小騰單選題答對x題,填充題答對y題,共答對15題,得到65分,請問他單選題答對幾題?23

4

5

6

8

7.

MULTIPLE CHOICE QUESTION

5 mins • 5 pts

下列方程組中,何者的幾何意義是兩直線平行?

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