Question

calcule as adições:

a - ( +8 ) + ( -5 ) =

b - ( +15 ) + ( -3 ) =

c - ( +10 ) + ( -4 ) =

d - ( -12 ) + (+20 ) =

e - ( -30 ) + ( +10 ) =

f - ( +1 ) + ( -8 ) =

g - ( +3 ) + ( -10 ) =

h - ( -4 ) + ( +1 ) =

i - ( - 8 ) + ( +5 ) =

j - ( -3 ) + ( +3 ) =​

Answer 1

Resposta:

a) 3

b)12

c)6

d)8

e)-20

f)-7

g)-7

h)-3

i)-3

j)0