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cuanto es un cuarto menos tres medios?

 3 dic. 2014
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$${\frac{{\mathtt{1}}}{{\mathtt{4}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{3}}}{{\mathtt{2}}}} = {\frac{{\mathtt{1}}}{{\mathtt{4}}}}{\mathtt{\,-\,}}{\frac{{\mathtt{6}}}{{\mathtt{4}}}} = {\mathtt{\,-\,}}{\frac{{\mathtt{5}}}{{\mathtt{4}}}}$$

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 21 dic. 2014

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