Question

Quanto e (-4) - (-4) + (+2) - (+23) + (-47) ?

Answer 1

(-4) - (-4) + (+2) - (+23) + (-47)

(−4)+4+(+2)−1(+23)+(−47)

(−4)+4+(−2)+23+(−47)

0+(-2)+23+(-47)

-2+23+(-47)

21-(-47)

= -26