Respostas

2014-03-04T23:28:26-03:00
(1+√2)· (2+√2) + √2 / 1 + √2= (2+√2)+(2√2+√2²)+√2/ 1 + √2 =
=2+4
√2+2/ 1+√2 = 4+4√2/1+√2 = 4+4.1=8

2 4 2