Question

Elimine Os Parênteses e calcule:
A)(-19)+(-11)=
B)(-8)-(+26)=
C)(-10)+(+5)-(-8)-(+16)=
D)(-15)+(+21)-(-15)-(+6)-(-8)=

Answer 1

-19-11=-30
-8-26=-34
-10+5+8-16=-13
-15+21+15-6+8=23