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Respondido

-1+(-2+5)+[-4+(-6+5-8)]​

Resposta :

CodePengo

Olá

[tex]\tt Pergunta =>\boxed{\sf -1+\left(-2+5\right)+\left[-4+\left(-6+5-8\right)\right]}[/tex]

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Lembre das Regras de sinais =>

[tex]\sf (+)(+) = + \\\\ \sf (-)(-) = +\\\sf (+)(-) = \\ \\ \sf (-)(+) =[/tex]

Vamos ao que interessa =>

[tex]\sf -1+\left(-2+5\right)+\left[-4+\left(-6+5-8\right)\right]\\\\\\\sf =-1+3+\left[-4+\left(-6+5-8\right)\right]\\\\\\\sf =-1+3-13\\\\\\\boxed{\sf =-11}[/tex]

[tex]\large \boxed{\boxed{\tt ATT: CODE ~ PEN}}[/tex]

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