0,2(63)= \(\frac{1}{10}\).[2+0,(63)] = \(\frac{1}{10}\).[2+0,(01).63] = \(\frac{1}{10}\).[2+\(\frac{1}{99}\).63] = \(\frac{1}{10}\).\(\frac{29}{11}\)=\(\frac{29}{110}\)
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