Question

12-(3-9+4)-11
cuanto es​

Answer 1

RESOLVER:

$12-(3-9+4)-11$

Calculamos la expresión dentro del paréntesis

$\left(3-9+4\right)=-2$

$=12-\left(-2\right)-11$

$12-\left(-2\right)-11\\\\-\left(-2\right)=+2\\\\=12+2-11\\\\12+2=14\\\\=14-11\\\\14-11=3\\\\\boxed{=3}$

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