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

Giải hệ phương trình bậc nhất hai ẩn

Quiz
•
Others
•
9th Grade
•
Hard
Hướng Đỗ
Used 1+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(3, 2)
(4, 0)
(2, 3)
(1, 4)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 3x - 4y = 5 và 2x + y = 7
(3, 1)
(2, 3)
(1, 2)
(4, 0)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: x + 2y = 10 và 3x - y = 5
x = 10, y = 0
x = 5, y = 2.5
x = 0, y = 5
x = 20/7, y = 25/7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 4x + y = 20 và x + 3y = 15
(45/11, 40/11)
(5, 5)
(0, 15)
(10, 0)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 5x - 2y = 8 và 3x + 4y = 14
x = 2, y = 3
x = 1, y = 4
x = 5, y = 0
x = 30/13, y = 23/13
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: 2x + y = 6 và 3x - 2y = 4
(4, -2)
(2, 2)
(0, 6)
(16/7, 10/7)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Giải hệ phương trình: x + 4y = 16 và 2x - y = 3
x = 28/9, y = 29/9
x = 5, y = 2.75
x = 12, y = 4
x = 10, y = 1.5
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