
Toán 9 Tuần 5: Rút gọn biểu thức chứa cb2 + Hệ thức
Authored by Cai Long
Mathematics
9th Grade
Used 10+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
17
169
13
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
0
-10
50
10
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1
-1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Với x<0 thì
-x
-1
1
x
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Với x>0 thì
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
với a<0 thì
a
-a
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Biểu thức xác định khi và chỉ khi
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