下列敘述何者錯誤?

七上數學一段複習

Quiz
•
Mathematics
•
7th Grade
•
Hard
蔡佩旻 蔡佩旻
Used 7+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
任何不等於 0 的數,其絕對值一定大於 0
最大的負整數與最小的正整數,相加等於0
距離原點愈近的點,所表示的數之絕對值愈小
想求出數線上A、B兩點的距離,只要將此兩點所代表的數相減,即可求得。
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列何者錯誤?
若a、b、c為任意三個整數,且a、b、c皆不為0,則 (a-b)-c=a-(b-c)
-92 其值為正數
52=25
10-3與103是相反數
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以中午 12 點為準,若下午 2 時以「+2」表示,則上午9 時以下列何者表示最恰當?
-9
9
3
-3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
數線上表示-2與9兩點之間,不包含-2與9兩點,其整數點共有多少個?
7
9
10
11
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
若│a│=2,│b│=4,則下列何者可能為a+b的值?
6
-6
2
-2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
數線上若 A(-12) , B(3) ,C(11),則 AB+BC=? =?
23
24
21
20
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於正負整數的加減計算,下列何者錯誤?
-13-8=-5
2-(-16)=14
2-15=-13
2+(-16)=-14
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