
20190908_正負數
Authored by Shun-Liang Chang
Mathematics
7th Grade
Used 22+ times

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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P、Q、R、S、T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?
P與Q之間
Q與S之間
R與T之間
P與T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
(a+b)的相反數是(a-b)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在圖形的數線上,有A、B、C、D四點,請問B點坐標為何?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
數線上 和 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
已知圖中數線上的O是原點,P、Q、R三點所表示的數分別為p、q、r。根據圖中各點的位置,下列各數的絕對值的比較何者正確?
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