Respostas

2014-04-08T10:00:56-03:00
 \frac{1^{2}}{3^{2} } Logo ->  \frac{1}{9} Pois 1*1 = 1 e 3*3 = 9
2014-04-08T10:01:32-03:00
(1+/3)^2= (1^2+/3^2)=(1+/9)=1+9=10 ou 1/9=0,11111111.