Question

1º )
Responda

a) 8 - (- 6 + 10 ) =



b) – 20 + ( + 43) =



c) 35 + [ - 21 + ( - 12 + 15)=




d) -1 – 1 + 1 – 1 =

Answer 1

Resposta:

a) 8 - (- 6 + 10 ) =  4

b) – 20 + ( + 43) =  23

c) 35 + [ - 21 + ( - 12 + 15)=  17

d) -1 – 1 + 1 – 1 =  -2