Question

Resolva as seguintes expressões:
A) 3-[5-(4-6)]
B) 2+[8-(7-5)+3]
C) -8+[4-(7-13)-1]+5
D)1-[5+(1-9)]
E) -13-[10-(7+5)]
F) {5-[32-(50-20)]}

Answer 1

Olá.
a) 3-[5-(4-6)]
3-[5+2]
3-7
-4
b) 2+[8-(7-5)+3]
2+[8-2+3]
2+8-2+3
10-2+3
8+3
11
c) -8+[4-(7-13)-1]+5
-8+[4+6-1]+5
-8+4+6-1+5
-4+6-1+5
2-1+5
1+5
6
d) 1-[5+(1-9)]
1-[5+1-9]
1-[6-9]
1+3
4
e)-13-[10-(7+5)]
-13-[10-12]
-13+2
-11
f){5-[32-(50-20)}
{5-[32-30]}
{5-2}
3
Espero ter ajudado

Answer 2

Resposta:

Olá.

a) 3-[5-(4-6)]

3-[5+2]

3-7

-4

b) 2+[8-(7-5)+3]

2+[8-2+3]

2+8-2+3

10-2+3

8+3

11

c) -8+[4-(7-13)-1]+5

-8+[4+6-1]+5

-8+4+6-1+5

-4+6-1+5

2-1+5

1+5

6

d) 1-[5+(1-9)]

1-[5+1-9]

1-[6-9]

1+3

4

e)-13-[10-(7+5)]

-13-[10-12]

-13+2

-11

f){5-[32-(50-20)}

{5-[32-30]}

{5-2}

3