Question

{ [ (3 - 1) . 7] - 1/2 } : 1/2

Answer 1

Explicação passo-a-passo:

{ [ ( 2) .7 ] - 1/2} : 1/2=

{ 14 - 1/2} : 1/2=

{ 28 - 1/2}: 1/2=

{ 27/2} : 1/2=

27/2 × 2/1=

27