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20190908_正負數

Authored by Shun-Liang Chang

Mathematics

7th Grade

Used 22+ times

20190908_正負數
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若以中午十二點為基準,上午十點鐘以-4表示,則下午三點鐘應記為多少?

─6

─3

+3

+6

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

在一數線上有PQRST五個點,其表示的數分別是-4、12、15、-8、5,則原點不在下列哪兩點之間?

PQ之間

QS之間

RT之間

PT之間

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列關於相反數的敘述,何者錯誤

0的相反數是0

a的相反數是a

-(-b)的相反數是-b

(ab)的相反數是(ab)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

在圖形的數線上,有ABCD四點,請問B點坐標為何?

0.20.2

1.31.3

1351\frac{3}{5}

1121\frac{1}{2}

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

數線上 -5\frac{2}{7}  3.83.8 之間共有多少個整數點?

8

9

10

11

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

若(甲-5)的相反數為-8,則甲的值是多少?

-3

-8

8

13

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

已知圖中數線上的O是原點,PQR三點所表示的數分別為pqr。根據圖中各點的位置,下列各數的絕對值的比較何者正確?

p<q\left|p\right|<\left|q\right|

q>r\left|q\right|>\left|r\right|

p<r\left|p\right|<\left|r\right|

0>q\left|0\right|>\left|q\right|

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