
1-2 正負數的加減
Authored by 陳 嘉卿
Mathematics
7th Grade
Used 32+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
23-32-16
25
-25
7
-17
2.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
(-12)-(-14)+11
13
-15
37
-9
3.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
23-(-15)+12
15
20
-20
50
4.
MULTIPLE CHOICE QUESTION
1 min • 10 pts
(-20)+(-18)-(-11)
-27
-19
27
-49
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
下列各式中,何者正確?
-5+2=-7
-6-9=15
(-4)+(-5)=-9
0-(-8)=-8
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 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
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
數線上有A(-7)、B(0)、C(-4)、D(2)四個點,則下列敘述何者正確?
=|(-7)+4|
=(-4)-2
=5
=-4
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