1下 1-2 解二元一次聯立方程式 Quiz: 10 Practice Questions (Grade 7)

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪一個二元一次方程式與x－2y＝1有相同的解？

2x－y＝－1

0.5x－y＝0.5

2x－4y＝1

2x＝4y－1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？$

x＝ $－3$

y＝ $\frac{13}{3}$

x＋y＝ $8$

x－y＝ $2$

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$已知a是b的\frac{3}{5}倍，而b比a多6，則a＋b＝？$

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

$設x、y為正整數，且x＋y＝175、\frac{y}{x}＝\frac{3}{4}，則x＝？$

115

75

100

85

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$若\frac{x－y}{2}＝\frac{y+2}{3}＝\frac{3x+y}{10}，則x＋y之值為何？$

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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1下 1-2 解二元一次聯立方程式

下列哪一個二元一次方程式與x－2y＝1有相同的解？

$若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？$

$已知a是b的\frac{3}{5}倍，而b比a多6，則a＋b＝？$

已知x＝5、y＝－3與x＝－4、y＝2是ax＋by＝12的兩組解，則a＋b＝？

$設x、y為正整數，且x＋y＝175、\frac{y}{x}＝\frac{3}{4}，則x＝？$

$若\frac{x－y}{2}＝\frac{y+2}{3}＝\frac{3x+y}{10}，則x＋y之值為何？$

設2x＋y＝4y－4x＝4，則x＝？

已知x＝3、y＝－1和x＝0、y＝－3皆為ax＋by＝9的解，則a＋b＝？

若x＝5，則算式ax＋b的值為87；若x＝20，則其值為12，問x＝10時，其值為多少？

設x、y為整數，且│2x＋y－3│＋2│4x＋y－5│＋3│2x＋3y－k│＝0，則k＝?

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1下 1-2 解二元一次聯立方程式

下列哪一個二元一次方程式與x－2y＝1有相同的解？

若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？

已知a是b的35倍，而b比a多6，則a＋b＝？已知a是b的\frac{3}{5}倍，而b比a多6，則a＋b＝？已知a是b的53​倍，而b比a多6，則a＋b＝？

已知x＝5、y＝－3與x＝－4、y＝2是ax＋by＝12的兩組解，則a＋b＝？

設x、y為正整數，且x＋y＝175、yx＝34，則x＝？設x、y為正整數，且x＋y＝175、\frac{y}{x}＝\frac{3}{4}，則x＝？設x、y為正整數，且x＋y＝175、xy​＝43​，則x＝？

若x－y2＝y+23＝3x+y10，則x＋y之值為何？若\frac{x－y}{2}＝\frac{y+2}{3}＝\frac{3x+y}{10}，則x＋y之值為何？若2x－y​＝3y+2​＝103x+y​，則x＋y之值為何？

設2x＋y＝4y－4x＝4，則x＝？

已知x＝3、y＝－1和x＝0、y＝－3皆為ax＋by＝9的解，則a＋b＝？

若x＝5，則算式ax＋b的值為87；若x＝20，則其值為12，問x＝10時，其值為多少？

設x、y為整數，且│2x＋y－3│＋2│4x＋y－5│＋3│2x＋3y－k│＝0，則k＝?

Access all questions and much more by creating a free account

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

$若｜2x＋y－11｜＋｜x－y＋2｜＝0，則下列何者正確？$

$已知a是b的\frac{3}{5}倍，而b比a多6，則a＋b＝？$

$設x、y為正整數，且x＋y＝175、\frac{y}{x}＝\frac{3}{4}，則x＝？$

$若\frac{x－y}{2}＝\frac{y+2}{3}＝\frac{3x+y}{10}，則x＋y之值為何？$