
Insiemi 01
Authored by Silvio Stock
Mathematics
8th - 10th Grade
Used 16+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Scegli la risposta che ritieni corretta, poi fai clic su Conferma.
Indica quale, fra i seguenti insiemi, NON è un insieme matematico.
I TRIANGOLI EQUILATERI.
I NUMERI NATURALI.
GLI ALLIEVI DELLA II C.
I FOGLI DEL QUADERNO ROSSO.
GLI ALLIEVI SIMPATICI DELLA II C.
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Quale delle seguenti rappresentazioni dell'insieme A, formato dai divisori di 12 in N , è errata ?
A = B ∪ C, CON B = {1, 2, 3, 4} E C = {3, 4, 6, 12}
A = {0, 1, 2, 3, 4, 6, 12}
A = {1, 2, 3, 4, 6, 12}
A = {X | X ∈ N e X DIVIDE 12}
A = B ∩ C - {8}, CON B = {X | X ∈ N E X DIVIDE 24} E C = {X | X ∈ N E X ≤ 12}
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual è la rappresentazione mediante la proprietà caratteristica dell'insieme disegnato in figura?
A = { X | X ∈ N E X È UN NUMERO DISPARI ≤ 19}
A = {1, 3, 5, 7, 9, 13, 17, 19}
A = { X | X ∈ N E X È UN NUMERO DISPARI, MINORE DI 19}
A = {0,1, 3, 5, 7, 9, 13, 17, 19}
A = { X | X ∈ N E X È UN NUMERO DISPARI MAGGIORE O UGUALE A 19}
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Soltanto una delle seguenti è la rappresentazione tabulare dell'insieme delle vocali dell'alfabeto. Quale?
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Considera i seguenti insiemi:
A = {x | x ∈ N e x pari}
B = {x | x ∈ N e x dispari}
A ∩ B = {0}
A ∩ B = { }
A ∩ B = B
A ∩ B = N
A ∩ B = A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dati gli insiemi
A = {2, 4, 6, 8}
B = {1, 2, 3, 4}
C = {1, 3, 5, 7}
(A U B) = … (Unione)
{2, 4, 6, 8}
{2, 4}
{1, 2, 3, 4, 6, 8}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dati gli insiemi:
A = {2, 4, 6, 8}
B = {1, 2, 3, 4}
C = {1, 3, 5, 7}
A ∩ B = … (intersezione)
{2, 4}
{1, 2, 3, 4, 6, 8}
{1, 3, 6, 8}
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