Question

5. Calcula

i) 8 + [4 – (3 + 5)] = j) 10 – [6 + (2 + 7)] =
k) 15 – [2 – (6 – 10)] = l) 15 – [10 – (8 + 4)] =
m) 12 – [7 – (2 – 10)] = n) (–6) + [5 + (2 – 12)] =
o) (–7) – [3 – (4 – 9)] = p) (2 – 10) + [5 – (8 + 2)] =
b) (12 – 3) – [1 – (2 – 6)] = q) [9 – (+5)] + [7 + (–10)] =
r) [10 – (–2)] – [5 – (+12)] = s) [8 – (6 + 4)] – (5 – 7) =

Answer 1

Respuesta:

i) 4

j) -5

k) 9

l) 9

m) -3

n)  -11

o) -15

p) -13

q) 1

b) 4

r) 19

s) 0

Explicación paso a paso: