Question

Calcule as somas algébricas
-21+13+22-19=
73-19-82+43=
-82+43+45-17=
-21+31+19-16+61=
90-65-35+102+18-160=
51+96-104-48+27+73-62=
62-101-94+47+81-36+41=

Answer 1

-31 + 22-19
-53-19=
-34
a primeira

Answer 2

Explicação passo-a-passo:

51+96_104_48+27+73_62