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6. \( [(14-19)+6]-\{(-4-7)+[(3-1)-(-5)]\} \) 7. \( \{(-5+8)-[-6+(9-3)]\}-\{(-7+4)-(5-2)\} \) 8. \( (-13+9)-\{[-4+(10-6)]+[(8-3)-(-2)]\} \) 9. \( \{[(16-12)+(-9)]-(-5)\}+\{(-6+3)-(-4)\} \) 10. \( -\{(-7+3)-[(6-(-2))+(-9-5)]\}+[(5-2)-(-3)] \)

Ask by Schneider Chen. in Colombia
Mar 13,2025

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**Respuestas:** 6. 5 7. 9 8. -11 9. 1 10. 4

Solution

**6.** \( [(14-19)+6]-\{(-4-7)+[(3-1)-(-5)] \} \) 1. Calcular dentro del primer corchete: - \( 14-19 = -5 \) - Entonces, \( -5+6 = 1 \) 2. Calcular dentro de la primera llave: - \( -4-7 = -11 \) 3. Calcular dentro del segundo corchete de la llave: - \( 3-1 = 2 \) - Entonces, \( 2-(-5)=2+5=7 \) 4. Sumar los resultados dentro de la llave: - \( -11+7=-4 \) 5. Sustituir en la expresión original: - \( 1 - (-4)=1+4=5 \) **Respuesta:** \( 5 \) --- **7.** \( \{(-5+8)-[-6+(9-3)]\}-\{(-7+4)-(5-2)\} \) 1. Calcular dentro del primer conjunto de llaves: - \( -5+8=3 \) - Dentro del corchete: \( 9-3=6 \) - Entonces, \( -6+6=0 \) - Por lo tanto, \( 3-0=3 \) 2. Calcular dentro del segundo conjunto de llaves: - \( -7+4=-3 \) - \( 5-2=3 \) - Entonces, \( -3-3=-6 \) 3. Restar los resultados de los conjuntos: - \( 3-(-6)=3+6=9 \) **Respuesta:** \( 9 \) --- **8.** \( (-13+9)-\{[-4+(10-6)]+[(8-3)-(-2)]\} \) 1. Calcular la parte exterior: - \( -13+9=-4 \) 2. Calcular dentro del primer corchete dentro de la llave: - \( 10-6=4 \) - Entonces, \( -4+4=0 \) 3. Calcular dentro del segundo corchete dentro de la llave: - \( 8-3=5 \) - Entonces, \( 5-(-2)=5+2=7 \) 4. Sumar los resultados dentro de la llave: - \( 0+7=7 \) 5. Sustituir en la expresión exterior: - \( -4-7=-11 \) **Respuesta:** \( -11 \) --- **9.** \( \{[(16-12)+(-9)]-(-5)\}+\{(-6+3)-(-4)\} \) 1. Calcular la parte dentro del primer conjunto de llaves: - \( 16-12=4 \) - \( 4+(-9)=-5 \) - Entonces, \( -5-(-5)=-5+5=0 \) 2. Calcular la parte dentro del segundo conjunto de llaves: - \( -6+3=-3 \) - Entonces, \( -3-(-4)=-3+4=1 \) 3. Sumar ambos resultados: - \( 0+1=1 \) **Respuesta:** \( 1 \) --- **10.** \( -\{(-7+3)-[(6-(-2))+(-9-5)]\}+[(5-2)-(-3)] \) 1. Calcular dentro de la primera llave: - \( -7+3=-4 \) 2. Calcular dentro del corchete anidado: - \( 6-(-2)=6+2=8 \) - \( -9-5=-14 \) - Entonces, \( 8+(-14)=-6 \) 3. Sustituir en la llave: - \( -4-(-6)=-4+6=2 \) - Aplicar el signo negativo exterior: \( -\{2\}=-2 \) 4. Calcular la parte del segundo corchete: - \( 5-2=3 \) - Entonces, \( 3-(-3)=3+3=6 \) 5. Sumar ambos resultados: - \( -2+6=4 \) **Respuesta:** \( 4 \)

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When you're working through complex expressions like these, it can be super helpful to simplify them step by step. Start by dealing with the innermost brackets or braces first, and then gradually work your way outwards. This way, you won't get lost in the calculations! Remember to keep track of your signs, too, as they can dramatically change the result. A common pitfall is rushing through the calculations, which can lead to simple errors. Another mistake is forgetting to apply the negative signs correctly, especially when subtracting. Taking a moment to double-check each step will save you from those pesky little mistakes that can throw off the entire solution. Being methodical is key!

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