Question

a) 2.[-5]-[+3]
b) [-6]+[2-(9-3)+1]

Answer 1

Olá,

Vamos lá,

A) 2.[-5]-[+3]
-10 - 3
-13

b) [-6]+[2-(9-3)+1]
-6 + [ 2-(6)+1]
-6 + [ 2 -6 +1]
- 6 - 3
-9

Answer 2

a) 2 . [-5] -3
    -10 -3
    - 13

b) [-6] +[2-6 +1]
    [-6] + [-3]
    -9