Question

C)25+[7+(8-7)=


E){20-[6+(4+1)x2]+1}x3=



AJUDEM!!​

Answer 1

c) 25+[7+(8-4)]

25+[7+4]

25+11 = 36

e) {20-[6+(4+1)×2]+1}×3

{20-[6+5×2]+1}×3

{20-[6+10]+1}×3

{20-16+1}×3

{4+1}×3

5×3 = 15

Answer 2

Resposta:

C) 33

E) 15

Explicação passo-a-passo:

C) para resolvermos é fácil

25+[7+(8-7)] =

25+[7+(1)]=

25+[7+1]

25+[8]

25+8

33

E) {20-[6+(4+1)x2]+1}x3

{20-[6+(5)x2]+1}x3

{20-[6+5x2]+1}x3

{20-[6+10]+1}x3

{20-[16]+1}x3

{20-16+1}x3

{20-16+1}x3

{4+1}x3

{5}x3

5x3

15