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1下 1-2 解二元一次聯立方程式

Authored by 康軒數位 康軒數位

Mathematics

7th Grade

Used 38+ times

1下 1-2 解二元一次聯立方程式
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10 questions

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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?

2xy=-1

0.5xy=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axby=12的兩組解,則ab=?

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2xy=4y-4x=4,則x=?

0

4

1

3

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