Respostas

2014-02-27T15:37:05-03:00
A)0,222..-->>2/9
b)0,1212..-->>12/99
c)0,321321..--->>321/999
d)0,333...--->>3/9
e) 0,34545...--->(345-3)/990 
f) 0,23131... = (231-2)/990 
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