
Halmazok
Authored by Kotán Szilvia
Mathematics
9th - 12th Grade
Used 19+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Egy ötelemű halmaz összes részhalmazainak száma
5
10
32
50
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Az A={4k-1| 0<k<5, k egész szám} halmaz elemei:
1,2,3,4
0,1,2,3,4,5
3,7,11,15
-1,3,7,11,15,19
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Ha |A|=5 és |B|=4, akkor |AxB|=
9
20
nem lehet megállapítani
54
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
|AUB|=|A|+|B|
Mindig igaz.
Soha nem igaz.
Lehet, hogy igaz.
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Melyik igaz?
QUQ*=R
N\Z={}
Q\Q*={}
AUB=BUA
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Egy 20 fős osztályból 11 fő van Instagramon és 9 tanulónak van TikTik fiókja. Négy olyan gyerek van az osztályban, akiknek egyik sincs ezek közül. Hány gyereket lehet megtalálni az Instán és a TikTokon is?
2
3
4
5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ]-3 ; 5] és a ]2 ; 10] intervallumok metszete:
[-3 ; 5]
]2 ; 5]
]-3 ; 10]
]2 ; 10]
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