Question

37) Calcula.
a) 6 + 15 + (7 + 2)2 =
b) 8 + [4 - 13 + 5)2 =
c) 10 - [6 + (2 + 7) =
d) 15-12-(6 - 10)] =
e) 15 - [10 - (8 + 4)] =
f) 12 - 17 - 12 - 10)] =
g) (-6 ) + [5+ (2 - 12) =
h) (-7) - 13 - 14 - 9)2 =​

Answer 1

a) 6 + [5 + (7 + 2)2 = 29

b) 8 + [4 - (3 + 5)2 = - 4

c) 10 - [6 + (2 + 7) = -5

d) 15 - [2 - (6 - 10)1 =9

e) 15 - [10 - (8 + 4)] =17

f) 12 - [7 - 12 - 10)] =27

g) (-6) + 15 + 12 - 12) =9