Question

1.Efetue as adições.
a)(+2) + (+3) =
b) (+10) + (+8) =
c) (+13) + (+11) =
d) (-1) + (-2) =
e) (-15) + (-7)=
1-25 + 0 =​

Answer 1

a)(+2) + (+3) = 4

b) (+10) + (+8) = 18

c) (+13) + (+11) = 24

d) (-1) + (-2) = -3

e) (-15) + (-7)= -22

1-25 + 0 = Falso