Respostas

2013-03-12T20:30:58-03:00

Considere: x=2,333.... Então temos:

x=2,333... * (10)

10x=23,333...

10x - x = 23,333... - 2,333...

9x=21

x=\frac{21}{9} \frac{: 3}{: 3}

x = \frac{7}{3}

 

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