
七上正負數四則運算
Authored by 范雪凌 范雪凌
Mathematics
7th Grade
Used 3+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(-12)-(-14)+11
13
-15
37
-9
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
23-(-15)+12
15
20
-20
50
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(-20)+(-18)-(-11)
-27
-19
27
-49
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列各式中,何者正確?
-5+2=-7
-6-9=15
(-4)+(-5)=-9
0-(-8)=-8
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列各式中,何者正確?
-8的相反數是-(-8)
|(-3)-7|=7+(-3)
5-(-3)的相反數是5+(-3)
|3-(-7)|=(-7)-3
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
若|a|=8,|b|=5,且a<0,b<0,則a+b=?
13
3
-3
-13
7.
MULTIPLE SELECT QUESTION
30 sec • 5 pts
下列各選項,哪些正確?(複選)
13-|(-2)-(-17)|+(-11)=-13
數線上A(2)、B(-20),則A到B的距離=22
-(17-28)= -17-28
已知a、b為數線上兩數,則|a-b|=|b-a|
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