UM2TRES4FFGO UM2TRES4FFGO Matemática Respondido Resolva as operações a) 1/3+1/7 -2/4 =? b) 3/6+4/6 -1/6 =? c) 1/5-2/3 +1/7=? d)1/7×2/3=? e) 3/5×2/3=? f) 1/3____=1/3×4/2 2/4 ? g) 5/5___ =5/5×5/3 3/5 ?