tính tổng a+b+c
Authored by Te Muỗng
Other
9th Grade
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình x2 + 4x + 4 =0 thì a +b +c = ?
9
8
7
6
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình x2 + 4x - 4 =0 thì a +b +c = ?
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình -x2 + 4x + 4 =0 thì a +b +c = ?
7
8
9
10
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình -x2 - 4x + 4 =0 thì a +b +c = ?
-3
0
-1
9
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình -x2 - 4x - 4 =0 thì a +b +c = ?
-1
9
8
-9
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình x2 + x + 1 =0 thì a +b +c = ?
1
2
3
4
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
cho phương trình x2 + 4x =0 thì a +b +c = ?
3
4
5
6
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