Đường tròn, hình quạt
Authored by Hà Nguyễn
Mathematics
9th Grade
Used 2+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
8
9
- 10
- 8
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
x < 3
x > 3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
90
30
60
45
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Đường thẳng y = 2x - 3 đi qua điểm nào sau đây
A ( 3; 3)
B ( 1; 2)
C ( 0; 3)
D ( -1; -1)
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
0
4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho hai đường tròn (O; 4cm) và (O'; 3cm) tiếp xúc ngoài. Độ dài đoạn OO' là
1 cm
5 cm
7 cm
4 cm
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PT nào dưới đây là PT bậc hai
2x + 3 = 0
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