Question

−5+{−3+[8+4−(3−10)−5]+2−1}

Answer 1

Hola!

Resolvemos:

−5+{−3+[8+4−(3−10)−5]+2−1}

−5−3+8+4−(3−10)−5+2−1

=−5−3+12−(3−10)−5+2−1

=−5−3+12−(−7)−5+2−1

=−5−3+19−5+2−1

=−5−3+14+2−1

=−5+11+2−1

=−5+13−1

=−5+12

=7

el resultado es :

$\boxed{\bold\blue{7}}$

Salu2!!