Question

(12+2×5)÷8

25-(15+6÷3)

25+[7+(8-4÷)]

30+2×(5-3)]×2-10​

Answer 1

Resposta:

Explicação passo a passo:

(12+2×5)÷8 =  (12 + 10):8 = 22 : 8 = 2,75

25-(15+6÷3) = 25-(15 + 2)= 25-17 = 8

25+[7+(8-4÷)] = incompleta

[30+2×(5-3)]×2-10​ =

[30+2x2]x2 -10 =

[30+4]x2-10 =

34x2-10 =

 68 - 10 = 58