家門口為基準點,右邊15公里處是多少?
正負數與相反數

Quiz
•
Mathematics
•
6th - 7th Grade
•
Medium
台師大沈佩儀 台師大沈佩儀
Used 15+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
-15
+15
-1.5
+1.5
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
若賺2000元以+2000元表示,則賠650元以______元表示?
-1350
-2000
-650
+4500
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
身高150cm為基準點,135cm要記為多少?
-5
-25
+5
-15
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
小雅自我要求數學段考以75分為目標,若成績81分以+6分表示,則成績68分以___A____表示,成績75分記為____B____分,成績____C____分以-10表示。
請問A=多少 B=多少 C=多少?
A=-7 B=0 C=65
A=-8 B=0 C=55
A=-6 B=0 C=75
A=-7 B=1 C=65
5.
FILL IN THE BLANK QUESTION
15 mins • 1 pt
明明以學校門口為基準點(起點),若向東走3km用+3公里表示,則像西走2公里用______公里表示。
請問_____該填入多少?
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
-1/3的相反數是多少?
3
0.3
1/3
-3
7.
MULTIPLE SELECT QUESTION
15 mins • 1 pt
23的相反數是多少?(選出2個正確的答案)
-23
23
-(+23)
-(-23)
+(-23)
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