Question

Resolva as expressões
A) (-19)+(+13)-(+16)-(-7)=
B) (+9)-(-2)+(-1)-(-3)=
C) (-36)+(-51)+(+100)+(-52)=
D) (+17)+(+13)+(+20)+(-5)+(-45)=

Answer 1

a)-19+13-16+7=-15
b)+9+2-1+3=+13
c)-36-51+100-52=-39
d)+17+14+20-5-45=1
*espero ter ajudado*