
二元一次方程式的解
Authored by 黃聿葳 黃聿葳
Mathematics
7th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些是45x的同類項?
(D) 9z
(C) 10y
(B) 20x
(A) 15z
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些是-6y的同類項?
(D) 5x
(B) 4x
(A) -6z
(C) 2y
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些是2x的同類項?
(D) 5y
(C) 4z
(A) -7x
(B) 3y
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各組數中,哪一組是二元一次方程式x+2y=5的解?
(A) x=1、y=2
(C) x=4、y=3
(B) x=-2、y=-1
(D) x=3、y=1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各組數中,哪一組是二元一次方程式3x-y=-9的解?
(B) x=1、y=11
(D) x=-3、y=0
(A) x=-5、y=-6
(C) x=2、y=-1
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列各組數中,哪一組是二元一次方程式-3x-11y=6的解?
(B) x=2、y=-1
(A) x=-2、y=0
(D) x=-1、y=4
(C) x=1、y=3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列各組數中,哪一組是二元一次方程式-x+9y=7的解?
(A) x=-3、y=-1
(B) x=1、y=1
(D) x=2、y=4
(C) x=-1、y=3
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