
Probleme de numărare
Authored by Daniela Țilică
Mathematics
10th - 12th Grade
Used 8+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {0,1,2,3,4}. Numărul submulțimilor cu 2 elemente ale mulțimii A este
10
120
20
60
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {0,1,2,3,4,5}. Numărul submulțimilor cu cel mult 2 elemente ale mulțimii A este
22
21
30
15
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {1,2,3,4,5,6,8,9}. Numărul submulțimilor cu 2 elemente pătrate perfecte ale mulțimii A este
1
2
3
4
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {1,2,3,4,5,6,8,9}. Numărul submulțimilor cu 2 elemente pătrate perfecte ale mulțimii A este
3
6
36
72
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {0,2,4,5}. Câte numere naturale de 3 cifre se pot forma cu cifrele din mulțimea A?
48
64
4
24
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Se consideră mulțimea A = {1,2,3,4}. Câte numere naturale pare de 2 cifre distincte se pot forma cu elementele mulțimii A?
12
6
16
24
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Câte numere naturale pare de 2 cifre se pot forma cu cifrele 5, 6, 7, 8, 9?
10
20
120
25
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