Respostas

2014-05-23T15:01:14-03:00


5/12 + 5/6 - 3/4 =( 5 +10 - 9)  =   6/12  =  1/2

                                12


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2014-05-23T15:12:11-03:00
   Eu resolvi a conta. Espero q vc enxergue. Bom te ajudar! 
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