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Signos de Agrupación: Paréntesis, Corchetes y Llaves

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Signos de Agrupación: Paréntesis, Corchetes y Llaves

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Ejercicios prácticos sobre agrupación

Created by

Jose Fernando
Jose Fernando
Mexico

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Signos de Agrupación: Paréntesis, Corchetes y Llaves
 

Signos de Agrupación: Paréntesis, Corchetes y LlavesOnline version

Ejercicios prácticos sobre agrupación

by Jose Fernando
1

¿Qué orden de operación implica primero cuando hay signos de agrupación?

2

Calcula: (2+3)·[4-1]. ¿Cuál es el resultado?

3

¿Qué signo se evalúa primero al anidar: paréntesis dentro de corchetes dentro de llaves?

4

Simplifica: {2(3+1) - [4/(2+2)]}. ¿Cuál es el resultado correcto?

5

Si olvidas cerrar un paréntesis, ¿cuál es el riesgo?

6

El valor de [2+(3·4)] es:

7

¿Cuál es el uso correcto de llaves en expresiones?

8

Evalúa: (2+3)·{4-1} + [6/3] = ?

9

¿Qué símbolo representa un grupo mayor que otro en el mismo nivel de jerarquía?

10

Ecuación con pasos: Calcula {[(2+3)·(4-1)]} y explica el procedimiento

Explicación

Los paréntesis se evalúan primero, luego corchetes y después llaves.

(2+3)=5 y (4-1)=3; 5·3=15.

Los paréntesis se evalúan primero, independientemente de la anidación.

(3+1)=4 ⇒2·4=8; (2+2)=4 ⇒4/4=1; 8-1=7.

Falta de cierre puede invalidar la jerarquía de operaciones y dar resultados erróneos.

3·4=12; 2+12=14; los corchetes no cambian la jerarquía.

Las llaves se usan para agrupar conjuntos o bloques anidados, como en expresiones complejas.

(2+3)=5; {4-1}=3; 5·3=15; [6/3]=2; 15+2=17.

La jerarquía no cambia por el tamaño de los símbolos; importa el orden de agrupación.

Pasos: (2+3)=5; (4-1)=3; 5·3=15. Luego aplican las llaves/ corchetes.

 
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