

數學運算與習慣的關係
Interactive Video
•
Mathematics
•
7th Grade
•
Hard
YK Chu
FREE Resource
4 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在這堂課中,正數代表什麼?
壞習慣
壞事
好習慣
讓你掉價的事
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
如果你從30分開始,放棄了21分的好習慣,又染上了19分的壞習慣,你的最終分數是多少?
10
-10
28
70
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 30 + 18 + 2 - (-13) - (-19) 的結果是什麼?
101
82
60
40
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在數學運算中,將「改掉壞習慣」比喻為負數的減法,這相當於什麼?
加上一個正數
減去一個正數
加上一個負數
減去一個負數
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