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800
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21 porciento de 78

 6 oct 2014
 #1
avatar+1254 
0

$${\mathtt{0.21}}{\mathtt{\,\times\,}}{\mathtt{78}} = {\frac{{\mathtt{819}}}{{\mathtt{50}}}} = {\mathtt{16.38}}$$

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 7 oct 2014

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