
Recapitulare:probleme de numarare
Authored by Gabriela Baston
Mathematics
10th Grade
Used 22+ times

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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul permutarilor unei multimi este
Cnk
n!
Ank
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul submultimilor ordonate de cate k elemente dintr-o multime de n elemente este dat de
combinari de n luate cate k
permutari de k elemente
aranjamente de n luate cate k
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul tuturor submultimilor unei multimi cu n elemente este
n(n+1)/2
n!
2n
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul tuturor functiilor ce se pot defini de la A la B, unde cardA=m si card B=n este
nm
mn
Cnm
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numarul functiilor bijective ce se pot forma de la A la B, unde cardA=m si cardB=n
Anm
mn
Numai pentru m=n, n!
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Termenul general al binomului lui Newton este
Tk+1=Cnk.an-k.bk
Tk+1 = Cnk.an.bk
Tk+1 = Cnk · ak ·bn-k
necunoscut
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Un termen din binomul lui Newton este independent de x daca
contine pe x la puterea 0
nu contine x
este un numar ce nu are x in exprimare
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