Question

4. Calcule as adições a seguir:

a) (+2) +(+3) =
b) (+1)+(+8)=
c) (+11) +(+3) =
d) (-1) + (-2) =
e) (-3) + (-2)=
f) 0+ (-2) =
g) (+7)+(+2)+(+5) =
h) (+4) + (+1)+(+2) =
i) (+3) +(+8)+(+15) =
j) (-8)+(-1)+(-2)=​

Answer 1

Resposta:

a) 2+3= 5

b) 1+8= 9

c) 11+3= 14

d) -1-2= -3

e) -3-2= -5

f) 0-2= -2

g) 7+2+5= 14

h) 4+1+2=7

i) 3+8+15= 26

j) -8 -1 -2= -11