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3-1 式子的化簡

Authored by 陳 嘉卿

Mathematics

7th Grade

Used 25+ times

3-1 式子的化簡
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

若哥哥的錢比弟弟的3倍還少20元,設哥哥有x元,則弟弟有幾元?

3x-20

2.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

(5x-2)+(6x+3)=?

-x-5

11x+1

11x-5

-x+1

3.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

2(11x-8)=?

22x-8

11x-16

22x-16

11x+8

4.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

4(-9x-2)=?

-36x-8

-36x-2

-32x-8

-32x+8

5.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

(-2x+9)-(3+6x)=?

4x-6

4x+6

-5x+3

-8x+6

6.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

7(2x-8)-(4-5x)=?

19x-32

9x+24

19x-60

9x+32

7.

MULTIPLE CHOICE QUESTION

2 mins • 10 pts

2x-5[4x-(x+3)]=?

-13x-3

-13x-15

-13x+15

-13x+3

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