TOAN 90
Authored by Trang Nguyễn
Mathematics
9th Grade
Used 1+ times
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70 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
-2
4
-4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
m > 0
m < 0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
m < 0
m > 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho tứ giác ABCD nội tiếp đường tròn tâm O. Góc BAD bằng 50 độ, CB = CD, Khi đó góc CBD bằng
20 độ
25 độ
30 độ
35 độ
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vô nghiệm
x= 2 và x = -4
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