A)(-130)+(-125)=b)(-7)+(13)=c)(+23)+(-15)=d)(-250)+(+182)=e)(+67)+(-95)=
A)(-130)+(-125)=
b)(-7)+(13)=
c)(+23)+(-15)=
d)(-250)+(+182)=
e)(+67)+(-95)=
1 Resposta
a) ( - 130+ - 125= 176
c) ( -7) + 13 =14
so sei ate ai