Question

(unifor-CE) - a soma (30/8)+ 2. (30/9) + (30/10) é igual a: a) (30/11) b) (32/11) c) (32/10) d) (32/9) e) (31/10)

Answer 1

(30/8)+ 2. (30/9) + (30/10)
=15/4 + 2(10/3)+3
=15/4+20/3+3
=(15x3+20x4+3x12)12
=(45+80+36)/12
=161/12

resposta. nenhuma das opcoes