Mulțimi

Mulțimi

10th Grade

25 Qs

quiz-placeholder

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 Mulțimi

Mulțimi

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Vera Miron

Used 76+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fie mulțimile A={-3;-2;-1;0;1;2} și B={-2;-1;0;1;2; 3; 4}, atunci A∩B= 

{-3;-2;-1;0;1;2; 3;4} 

{-2;-1;0;1;2} 

{-3} 

{3;4} 

{-2;-1;0;1;2; 3;4} 

2.

FILL IN THE BLANK QUESTION

1 min • 2 pts

Mulțimea care nu are niciun element se numește

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mulțimea literelor din cuvântul abecedar este:

{a; b;c;e;d;a;r}

{a; b;c;e;d;r}

{a; b;c;e;r}

{a; b;c;d;r}

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Scrisă prin enumerarea elementelor sale mulțimea


A={x∈N/ x≤3 }este:

{0, 1, 2, 3}

{1, 2, 3}

{1, 2}

{0, 1, 2)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Cardinalul mulțimii: A={a; b; c; d} este:

1

0

2

4

3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Se dau mulțimile:A={1, 2, 3, 5} și

B={2, 3, 4, 6, 7}.

A∪B este:

{1, 2, 3, 5, 4, 6, 7}

{2, 3}

{1, 2, 2, 3, 3, 4, 5, 6, 7}

{1,5}

{4,6,7}

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fie milțimile: A={1, 2, 3, 5} și B={0, 1, 2, 4, 6}.

A∩B este:

ϕ

{1,2}

{1, 3, 5}

{0, 1, 2, 3, 4, 5, 6}

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