Question

Calcula. Recuerda: resuelve primero los paréntesis

a) 6 + [5 + (7 + 2)] =

b) 8 + [4 – (3 + 5)] =

c) 10 – [6 + (2 + 7)] =

d) [10 – (–2)] – [5 – (+12)] =

e) [8 – (6 + 4)] – (5 – 7) =

f) [1 + (6 – 9)] – (8 – 12) =

Answer 1

Respuesta:

a)20

b)4

c)-5

d)19

e)0

f)2