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111_康軒會考包_1數的運算

Authored by 一支 一支

Mathematics

9th Grade

Used 1+ times

111_康軒會考包_1數的運算
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9 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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數線上的ABCD四點所表示的數分別為abcd,且O為原點。根據圖中各點的位置判斷,下列何者的值最小?

IaI

IbI

IcI

IdI

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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如圖,將-2 與1 之間四等分,得A(a)、B(b)、C(c)三個等分點,則下列哪一個值最小?

|a|

|b|

|c|

|-2|

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

在數線上,O 為原點,A 點的坐標為a,B 點的坐標為b,利用下列三個已知條件,判斷A、B、O 三點在數線上的位置關係為下列何者?

甲:ab>0 乙:a+b<0 丙:a-b<0

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4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

甲、乙二人分別在數線上表示-15 和105 的位置上,若同時相向而行,且甲的速率是乙的速率的2 倍,則相遇位置在數線上所表示的數為何?

65

55

45

25

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

計算12+(-3)×[30-(-6)×(-4)]÷3 之值為何?

-6

6

-14

14

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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假設撲克牌黑色花色的點數代表負數,紅色花色的點數

代表正數,則圖的點數和為多少?

4

-4

-7

7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1.234×10*20 這個數的末尾共有幾個0?

16

17

18

19

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