Question

resolver: 8+(-5)+(-2)+4=

Answer 1

Hola!

Recordemos ley de signos:

(+) * (-) = (-)

(-) * (+) = (-)

(+) * (+) = (+)

(-) * (-) = (+)

Resolucion:

$8 + (-5) + (-2) + 4 = \\ 8 - 5 - 2 + 4 \\ 3 - 2 + 4 \\ 1 + 4 \\ 5$

RPTA:

Sale "5"