Question

1) Resolva as adições: a) (+28) + (+17)= b) (-19) + (-11)= c) (+30) + (-13)= d) (+22) + (-50)= e) (-8) + (+26)

Answer 1

Resposta:

a= +28+17= +45

b= -19-11= -30

c= +30-13= +17

d= +22-50= -28

e= -8+26= +18