Free Printable ការគណនាតម្លៃអក្សរ និង តម្លៃលេខ

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ការគណនាតម្លៃអក្សរ និង តម្លៃលេខ

Total questions: 47

Worksheet time: 30mins

Name

Class

Date

1.

12a = 8 - a

a)

$\frac{8}{13}$

b)

$\frac{8}{12}$

c)

$\frac{9}{12}$

2.

12a = 8 + a

a)

$\frac{8}{13}$

b)

$\frac{8}{11}$

c)

$\frac{9}{12}$

3.

2a = 9+ a

a)

$a=\frac{8}{13}$

b)

a= $\frac{8}{12}$

c)

a= $\frac{9}{12}$

d)

a= 9

4.

2 ( x-2 ) =20

a)

$a=\frac{8}{13}$

b)

a= 12

c)

a= $\frac{9}{12}$

d)

a= 9

5.

2 ( x + 2 ) =20

a)

$a=\frac{8}{13}$

b)

a= 12

c)

a= 8

d)

a= 9

6.

2 ( 3x - 2 ) =20

a)

a = 4

b)

a= 12

c)

a= 8

d)

a= 9

7.

2 ( 4x + 2 ) =20

a)

a = 2

b)

a= 12

c)

a= 8

d)

a= 9

8.

2 ( 3n - 2 ) =26

a)

n = 8

b)

n= 5

c)

n= 8

d)

n= 9

9.

2 ( 3n - 1 ) =28

a)

n = 8

b)

n= 5

c)

n= 8

d)

n= 9

10.

4( 3n - 1 ) =32

a)

n = 3

b)

n= 5

c)

n= 8

d)

n= 9

11.

4( 3n - 1 ) =3n

a)

n = $\frac{4}{9}$

b)

n= 5

c)

n= 8

d)

n= 9

12.

5( 2x + 3 ) =35

a)

x = 2

b)

x= 5

c)

x= 8

d)

x= 9

13.

បើ n = 3

2n + n + n + 5 = ?

a)

17

b)

16

c)

15

d)

14

14.

បើ n = 3

2n + n - n + 5 = ?

a)

17

b)

16

c)

15

d)

11

15.

បើ n = 3

2n + n - 2n + 5 = ?

a)

17

b)

8

c)

5

d)

-5

16.

បើ n = 3

5n + n - 2n -3 = ?

a)

17

b)

9

c)

5

d)

3

17.

បើ n = 3

n + n - 2n - 5 = ?

a)

17

b)

16

c)

5

d)

-5

18.

20 = 9+ a

a)

a =11

b)

a= $\frac{8}{12}$

c)

a= $\frac{9}{12}$

d)

a= 9

19.

R = 2.5m

a)

D= 5m

b)

D = 6

c)

D= 4.5

d)

D= 7

20.

R = 5m

a)

P = 31.4m

b)

P = 32.4m

c)

P = 32.5m

21.

D = 10m

a)

P = 31.4m

b)

P = 32.4m

c)

P = 32.5m

22.

បើ D = 8m

a)

P = 25.12m

b)

P = 24.12m

c)

P = 24.13m

23.

បើ R = 4m

a)

P = 25.12m

b)

P = 24.12m

c)

P = 24.13m

24.

បើ P = 40m

a)

D = 6.36m

b)

D = 6.16m

c)

D = 6.26m

25.

បើ P = 80m

a)

R = 14.80m

b)

R = 14.08m

c)

R = 41.80m

26.

បើ P = 80m

a)

D= 29.61m

b)

D= 29.16m

c)

D= 39.61m

27.

P = 40m

a)

R= 2.13m

b)

R= 3.13m

c)

D = 6.26m

28.

បើ a = 4m

a)

P= 24m

b)

P= 25m

c)

P= 26m

29.

បើ h = 6m, A= 60m²

a)

a = 20m

b)

a = 30m

c)

a = 40m

30.

បើ a= 12m, A= 60m²

a)

h = 20m

b)

h = 10m

c)

h = 30m

31.

បើ a= 120m, h = 60m

a)

A = 7200m²

b)

A = 7100m²

c)

A = 7300m²

32.

បើ a= 20m, b = 10m

a)

A = 200m²

b)

A = 100m²

c)

A = 300m²

33.

បើ a= 20m, b = 10m, h = 10m

a)

A = 200m²

b)

A = 150m²

c)

A = 300m²

34.

បើ a= 30m, b = 15m, h = 10m

a)

A = 200m²

b)

A = 150m²

c)

A = 225m²

35.

បើ a= 30m, b = 20m, h = 10m

a)

A = 250m²

b)

A = 150m²

c)

A = 300m²

36.

បើ a= 30m, b = 20m, h = 10m

a)

A = 250m²

b)

A = 150m²

c)

A = 300m²

37.

បើ a= 12m, b = 8m, h = 6m

a)

A = 60m²

b)

A = 50m²

c)

A = 30m²

38.

បើ a= 30m, h = 10m

a)

A = 200m²

b)

A = 300m²

c)

A = 400m²

39.

បើ a= 12m, h = 24m

a)

A = 200m²

b)

A = 300m²

c)

A = 288m²

40.

បើ a= 30m

a)

A = 900m²

b)

A = 150m²

c)

A = 300m²

41.

បើ A = 100m²

a)

a = 10 m

b)

a = 20 m

c)

a = 30 m

42.

បើ A = 400m²

a)

a = 10 m

b)

a = 20 m

c)

a = 30 m

43.

បើ a = 10m, A = 400m²

a)

a = 40 m

b)

a = 20 m

c)

a = 30 m

44.

បើ b = 5m, A = 400m²

a)

a = 40 m

b)

a = 20 m

c)

a = 80 m

45.

បើ a = 50m, b = 20m

a)

P = 1000 m

b)

a = 2000 m

c)

a = 3000 m

46.

បើ P = 250m

a)

$\frac{1}{2}$ P = 100 m

b)

$\frac{1}{2}$ P = 125m

c)

$\frac{1}{2}$ P = 200 m

47.

បើ a = 7m

a)

P = 32 m

b)

P = 42m

c)

P = 52 m

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