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5.EFETUE AS OPERACOES E,SE POSSIVEL,SIMPLIFIQUE:a.1/5+1/6 b.(-1/2).(-7/2).(-2) c.(-4/6)-8/3 d.5/6-(-1/5)​

5EFETUE AS OPERACOES ESE POSSIVELSIMPLIFIQUEa1516 B12722 C4683 D5615 class=