On donne A={1;2;3;{1;2};{3}}. Parmi les assertions suivantes, laquelle est fausse ?
Ensembles

Quiz
•
Mathematics
•
9th Grade
•
Hard
Château Château Eğitim
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
n(A)=5 d)
{2}∈A
3 ∈A
{1;2}∈A
{3} ∈A
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
On donne les informations suivantes :
n(A\B)=6 ; n(B\A)=4.n(A∩B) ; n(A∪B)=46
Calculer le cardinal de A.
6
16
8
14
13
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit A={1;2;3;4;5;a;b;c} un ensemble. Calculer le nombre des parties de A á 3 éléments.
48
52
56
64
80
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit A={1;2;3;4;5;a;b;c} un ensemble. Donner le nombre des parties de A qui contiennent au moins 2 éléments.
513
240
256
247
130
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit A={1;2;3;4;5;a;b;c} un ensemble. Que vaut le nombre de sous-ensembles de A á 4 éléments qui contiennent « a » mais pas « b » ?
20
28
32
36
48
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Soit A et B deux ensembles dont n(A)=7 et n(B)=8.
Deteminer la valeur maximale de A∪B.
8
7
15
14
16
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Simplifier : (A∩B)∪(A∩B')
∅
E
A∩B
A
B
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