Question

Adição e Subtração
1) (+5) + (+3)=
2) (+5)+(-3)=
3) (-5)+(+3)=
4) (-5)+(-3) =
5) (+7)-(+2)=
6) (+7)-(-2)=
7) (-7)-(+2)=
8) (-7)-(-2)=

Answer 1

1)8
2)2
3)-2
4)-8
5)5
6)5
7)-5
8)-9

Answer 2

1/ 8
2/ 2
3/ -2
4/ -8
5/ 5
6/ 5
7/ -5
8/  -9