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3-1 式子的化簡

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.
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?
a)

x+203\frac{x+20}{3}

b)

x+203x+\frac{20}{3}

c)


x3\frac{x}{3} + 20

d)

3x-20

2.

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

a)

-x-5

b)

11x+1

c)

11x-5

d)

-x+1

3.

2(11x-8)=?

a)

22x-8

b)

11x-16

c)

22x-16

d)

11x+8

4.

4(-9x-2)=?

a)

-36x-8

b)

-36x-2

c)

-32x-8

d)

-32x+8

5.

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

a)

4x-6

b)

4x+6

c)

-5x+3

d)

-8x+6

6.

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

a)

19x-32

b)

9x+24

c)

19x-60

d)

9x+32

7.

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

a)

-13x-3

b)

-13x-15

c)

-13x+15

d)

-13x+3

8.
a)
(9x+2)/3
b)
(9x-2)/3
c)
(-x-2)/3
d)
(-x+2)/3
9.
a)
(27x-14)/20
b)
(27x-9)/20
c)
(27x-4)/20
d)
(27x+4)/20
10.
a)
-2
b)
0
c)
1
d)
2