Question

(-3-6) + (+6 - 12) =
-(+15-20)-(-6 + 19) =​

Answer 1

Resposta:

$( - 9) + ( - 6) = - 15$

$- ( - 5) - ( + 13) = ( + 5) - ( + 13) = + 5 - 13 = - 8$