
les ensembles
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Inaam Khodr
Used 1+ times
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A = { x/x ∈ ℕ et x >-3} alors
A = ∅
A = { -2;-1;0;1;2;3....}
A = ℕ
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si A ⊂ B alors
card ( A ⋃ B) = card (B)
card ( A ⋃ B) < card (B)
card ( A ⋂ B) = card (B)
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
x ∈ ℕ alors la solution de l'ensemble A de l'équation x²-5 =0 est :
A = { -√5 ; √5}
A = {5 }
A = ∅
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
E = { 0;1;2;3;4;5;6;7;8;9;10;11;12 } et B = { x ∈ E / x est pair } alors B =
B= { 0 ; 2;4;6;8}
B = { 1;3;5;7;9}
B= { 0 ; 2;4;6;8;10;12}
B = { 1;3;5;7;9;11}
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
A = { 1;2;3;4;6;12 } et B = { 0;2;4;6;8;10;12 } donc A ∪ B =
{ 0;1;2;3;4;6;8;10;12}
{ 1;2;4;6;10;12}
{1;2;3;4;6;8;10;12}
{0;2;4;6;8;10;12 }
6.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
A = { 1;2;3;4;6;12 } et B = { 0;2;4;6;8;10;12 } donc A ∩ B =
{ 0;2;4;6;8;10;12 }
{ 1;2;3;4;6;12 }
{ 2;4;6;12 }
{ 0;1;2;3;4;6;8;10;12 }
7.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
C = { 1;2;3;5;7}, écrire C en compréhension:
C = { x ∈ ℕ / x est un nombre impair ≤ 9}
C = { x ∈ ℕ / x est un nombre premier ≤ 9}
C = { x ∈ ℤ / x est un nombre impair ≤ 9}
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