Respostas

2014-03-16T11:46:55-03:00
A:
0.5555...=5/9;
0.1111...=1/9;
5/9+1/9=6/9.

b:
0.2=2/10;
0.04=4/100;
2/10+4/100=20/100+4/100=24/100;

\frac{b= \frac{24}{100}}{a= \frac{6}{9} } =  \frac{24}{100}*\frac{9}{6} = \frac{216}{600} = 0.36

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