Respostas

2014-03-30T22:47:02-03:00
{1-(4/5):(1/5)+1(1/9.3/5)}=
{1-(4/5):(5/1)+1(3/45}=
{1-(20/5)+1(3/45}=
{1-4+1(1/5)}=
{1-4+1/5}=-3+0,20=2,8

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