Giải hệ phương trình: 2x + 3y = 12 và x - y = 1

Giải hệ phương trình bậc nhất 2 ẩn

Quiz
•
Others
•
9th Grade
•
Hard
Hướng Đỗ
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(3, 2)
(1, 4)
(4, 0)
(2, 3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 3x - 4y = 5 và 2x + y = 7
(0, 7)
(3, 1)
(2, 3)
(1, 5)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: x + 2y = 10 và 3x - y = 5
x = 0, y = 5
x = 5, y = 2.5
x = 10, y = 0
x = 20/7, y = 25/7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 4x + y = 9 và 2x - 3y = -1
(1, 8)
(0, 9)
(13/7, 11/7)
(2, 5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: x - 2y = 4 và 5x + 3y = 1
x = 14/13, y = -19/13
x = 5, y = 3
x = 2, y = -1
x = 0, y = 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 6x + 2y = 18 và 3x - y = 3
(2, 3)
(0, 9)
(1, 6)
(3, 0)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 2x + y = 8 và x + 3y = 7
x = 17/5, y = 6/5
x = 1, y = 6
x = 4, y = 0
x = 3, y = 2
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