Question

{1+[(+8,2-5,3)-6]}+(4,5-0,9) me ajudaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Answer 1

{1+[(+8,2-5,3)-6]}+(4,5-0,9)
{1+[2,9-6]}+3,6
{1-4,9]+3,6
3,9+3,6
7,5