Question

1) Calcule

a)5+(-8)

b)(-2)-(-3)

c)(-8)+(-6)-(-7)

d)8-(4-1)

e)15-3-(-1)​

Answer 1

Resposta:

a) 5 - 8 = - 3

b) - 2 + 3 = 1

c) - 8 - 6 + 7 = - 7

d) 8 - (3) = 8 - 3 = 5

e) 15 - 3 + 1 = 13