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正數與負數

Authored by Ming-Sheng Her

Mathematics

7th Grade

Used 2+ times

正數與負數
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

這裡有一些數+3,0,-2.4, 23-\frac{2}{3}  ,+7.3,+12,-8
下列哪個選項錯誤?

有3個負數

有3個自然數

有3個正數

0不是正數也不是負數

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3-12=?

9

-9

36

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪個數最小?

-4.2

-5

-2.1

-1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪個數最大?

0.3

2 25\frac{2}{5}  

-4

-1.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪個選項大小關係正確?

0 >> -0.3

1 << -4

-4 27\frac{2}{7} >> 4

-3 << -5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

什麼是絕對值?

一個數到原點的距離

一個數的性質符號

自然數

數的大小

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

絕對值 5\left|-5\right|  =?

5

-5

0

1

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