
Mulţimi.Operaţii cu mulţimi
Authored by Boldea Daniela
Mathematics
6th Grade
Used 41+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determinaţi
elementele mulţimii A={x l x ∈N , 2< x ≤ 6 }
{0,1,4,5,6}
{3,4,5,6}
{2,3,4,5,6}
{2,3,4,5}
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Determinaţi elementele mulţimii
A={x l x∊N , 3|x şi x<18}
{3,6,9,12,15}
{6,9,12,15}
{3,6,15,18}
{3,7,8,16}
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determinaţi {1,3,5,7} {2,3,5,7,9}
{3,5,6,7,9}
{1,3,5,7}
{1,3,5,7,9}
{1,2,3,5,7,9}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Determinaţi {5,6,9} {5,9,10}
{5,6}
{5,7,10}
{5,9}
{5,6,9,10}
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Determinaţi {1,2,5,9,11,13} \ {5,9,10,11}
{1,2,11}
{1,2}
{11,13}
{1,2,13}
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Determinaţi elementele mulţimilor A şi B , dacă
A B = {1,2,3,4,5,6} ,
A B = {2,4,6}
A \ B = {1,3}
B \ A = {5}
A={1,2,3,4,6 } , B={2,4,6}
A={1,3,4,6} , B={2,4,6}
A={1,2,3,4,6} , B={2,4,5,6}
A={1,3,4,6} , B={5}
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cunoscând card A=24 , card B =30 , card (A B)=40 , determinaţi card (A B).
10
15
54
14
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