
Preguntas de Matemática
Authored by Abdiel Ortiz
Mathematics
University

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96 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cómo se define un conjunto?
Un grupo de elementos con características similares.
Una colección bien definida de objetos.
Un conjunto de números ordenados.
Una agrupación de elementos al azar.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de las siguientes opciones es una forma válida de representar un conjunto por extensión?
{x|x es un número par}
{1,2,3,...}
{a,b,c,d}
{x ∈ ℕ | x < 10}
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si A={1,2,3} y B={3,4,5}, ¿cuál es la unión de A y B (A∪B)?
{3}
{1,2,4,5}
{1,2,3,4,5}
{1,2,3,3,4,5}
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si A={1,2,3} y B={3,4,5}, ¿cuál es la intersección de A y B (A∩B)?
{3}
{1,2,4,5}
{1,2,3,4,5}
{}
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de las siguientes opciones representa el conjunto vacío?
{}
{0}
∅
{x|x≠x}
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿A qué conjunto de números pertenece √2?
Naturales (ℕ)
Enteros (ℤ)
Racionales (ℚ)
Irracionales (I)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
¿Cuál de las siguientes opciones representa la propiedad conmutativa de la adición?
a+(b+c)=(a+b)+c
a+b=b+a
a⋅(b+c)=a⋅b+a⋅c
a+0=a
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