Operaciones combinadas de Números Enteros

Simplificar:

 $-\left(5+4\right)-\left(-12+36\right)-4=$  

Simplificar: 

 $(5-2)-2+[-4+(6+9-8)]=$  

Simplificar:

 $8+\left\{-3+[9-(8-5)+11]-1\right\}=$  

(a)  

Simplificar:

 $14+[15-(8-2+3)-(1+2)]=$  

Simplifique:

 $15-(4\times3\div2)+(7-2)\times5=$  

(a)  

Simplificar: 

 $\left\{2\times[7-5\times(9-8)]+3\right\}\div7-1=$  

Simplificar:

 $4-\left\{-[-(1)]\right\}=$  

(a)  

Simplificar: 

 $\left(-1\right)^5\times\left\{-\left(\sqrt{9}\right)-\left[5^2\div\left(-5\right)\right]\right\}=$  

Simplificar: 

 $\sqrt{25-9}+3\times\left(-2\right)^3=$  

(a)