De maneira semelhante, simplifique em seu caderno as frações de cada item e determine o resultado dos cálculos. a ) 12___ 35 ⋅ 14___ 27 b) 64___ 65 ⋅ 39___ 88 c ) 81__ 91 ⋅ 7___ 45 ⋅ 5 d) 3___ 20 ⋅ 25___ 8 ⋅ 30___ 15 e ) 33___ 100 ⋅ 8__ 11 ⋅ 40___ 32 f ) 25___ 13 ⋅ 2__ 5 ⋅ 26___ 45