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Halmazok

Authored by Petőfi Erzsébet

Mathematics

9th - 12th Grade

Used 2+ times

Halmazok
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14 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A={254653 számjegyei}

Az A halmazban 6 számjegy van

Az A halmazban 5 számjegy van

Az A halmazban egy darab szám van

Az A halmazban páratlan számok vannak

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ha A={2;3;8} és B={3;4;5}, akkor

AB={2;3}A\cap B=\left\{2;3\right\}

AB={3;4}A\cap B=\left\{3;4\right\}

AB={3}A\cap B=\left\{3\right\}

AB=AA\cap B=A

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

 3{xR, 3x<2}-3\in\left\{x\in R,\ -3\le x<-2\right\}  

igaz

hamis

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

A={1;2;3;4;5} halmaznak hány darab 4 elemű részhalmaza van?

3

4

5

6

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Két halmaz metszete lehet üreshalmaz.

igaz

hamis

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

C={21-nél kisebb pozitív páratlan számok}
 21C21\in C  

igaz

hamis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

ABA\cup B

A\B

B\A

ABA\cap B

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