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二元一次方程式的解

Authored by 黃聿葳 黃聿葳

Mathematics

7th Grade

二元一次方程式的解
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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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