
Kombinatorika
Authored by Milan Ondič
Mathematics
10th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kolika způsoby lze za sebe poskládat 5 různých knih?
5*4
5!
(5*4)/(2!)
5*5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Řešením které úlohy je kombinační číslo "6 nad 2"?
Ze tří chlapců a tří děvčat tvoříme nestejnopohlavní páry. Kolik jich existuje?
Tvořím dvoumístný kód ze šesti různých znaků, které se mohou opakovat. Kolik takových kódů existuje?
Z šesti kandidátů vybíráme starostu a místostarostu. Kolik máme možností?
Z šesti různých bonbonů si vezmu dva, které sním. Kolik mám možností?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Čemu je roven výraz (n+1)!∕(n-1)! ?
n2
n+n2
n-1
(n+1)(n-1)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Číslo na obrázku je rovno...
16 nad 19
19 nad 3
2
16!
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Výsledkem je...
20 nad 16
20 nad 17
20 nad 18
18 nad 15
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kolik je 1000!/999! ?
1000
999
999!
1
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