下列哪一個二元一次方程式與x-2y=1有相同的解?
1下 1-2 解二元一次聯立方程式

Quiz
•
Mathematics
•
7th Grade
•
Hard
康軒數位 康軒數位
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2x-y=-1
0.5x-y=0.5
2x-4y=1
2x=4y-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
18
24
27
33
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知x=5、y=-3與x=-4、y=2是ax+by=12的兩組解,則a+b=?
24
-24
84
-84
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
115
75
100
85
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2
4
6
8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
設2x+y=4y-4x=4,則x=?
0
4
1
3
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