Respostas

2014-04-21T14:14:39-03:00
3) √0 + √1 - √1/4 = 0(0.0=0) + 1 (1.1=1) - 1/2 (1/2.1/2=1/4)
1 - 1/2 =  \frac{2-1}{2}  \frac{1}{2} Alternativa C

6)  \sqrt  \frac{2}{72}
 \sqrt  \frac{1}{36}  \frac{1}{6}
Alternativa D