Question

2. Resolva as expressões.
a) 5+ (3 - 1) =
b) 5 - [3 + (2 - 5)] =
c) 3 - [5 - (4 - 6) =
d) 2+[8 -(7 - 5) + 3] =
e) -8 + [4 - (7 - 13) - 1] + 5 =
f) 1 - [5 + (1 - 9)] =
​

Answer 1

Resposta:

a)

$5 + (3 - 1) \\ 5 + 2 \\ x7$

b) 5-[3+(2-5)]

5-(3+(-3)]

5-0

5

c) 3-[5-(4-6)

5-(-2)

5+2

7

Answer 2

Resposta:

a)=7 b)=1 c)=4 dou 3 resposta