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Worksheets

Multimi Cl 5

Total questions: 10

Worksheet time: 4mins

Name
Class
Date
1.

Mulțimea este (a)  

2.

Care multime este scrisă corectă:

a)

A={a,b,c,d,c}

b)

B={A,b,C}

c)

C={0,2,4,5,5,6}

d)

D={a,b,c,d}

3.

Fie multimea A={3,4,5} si C={0,3}. Multimea  A∪CA\cup C  este multimea:

a)

{3}

b)

{3,4,5}

c)

{0,3,4,5}

d)

{4,5}

4.

 A∩SA\cap S  aflati pentru  multimile A={3,4} si S={3,5,8}. 

a)

{3}

b)

{3,4,5,8}

c)

{3,4}

d)

 ϕ\phi  

5.

 A−BA-B  aflati pentru multimile A={4,5,7,9} si B={5,9,6}

a)

{4,5,6}

b)

{4,7}

c)

{6}

d)

{5,9}

6.

 M={12,20, 32,42,09}M=\left\{1^2,2^0,\ 3^2,4^2,0^9\right\}  este egala cu multimea:


a)

{1,2,6,8,9}

b)

{0,1,1,9,16}

c)

{0,1,9,16}

d)

{0,1,2,3,4}

7.

card {1,2,3,8} =

a)

2

b)

3

c)

4

d)

0

8.

  A=ϕ, card A=\ A=\phi,\ card\ A=  

a)

1

b)

 ϕ\phi  

c)

0

d)

mult

9.

 8∉{0,7,9}8\notin\left\{0,7,9\right\}  este propozitie

a)

adevarata

b)

falsa

10.

 {2,6,9}⊂N\left\{2,6,9\right\}\subset N  este

a)

adevarat

b)

fals