Tuần 3 _Đề số 3
Authored by MATH WITCH
Mathematics
9th Grade
Used 5+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
-2
-1
2
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
30
10
-10
-15
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Hệ phương trình nào sau đây có nghiệm (x; y) = (-1; 2)?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Trong các phương trình bậc hai sau đây, phương trình nào có hai nghiệm trái dấu?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Phương trình nào sau đây có tổng hai nghiệm bằng 4?
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
0
2
1
4
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