errado: 45/87  : 90/144 = 24/2988, 45/87 : 90/144 = 26/35, 38/44 x 56/88 = 179/254, 789/652 = 2678, 55/58 : 45/60 = 34/119, 34/40 x 60/45 = 133/254, Certo: 45/87  : 90/144 = 24/29 , 38/44 x 56/88 =  133/242, 3/10 + 7/10 + 1/10 = 11/10, 55/58 : 45/60 = 23/116, 3/5 x 12/5 = 36/25,

Ranking

Estilo visual

Opções

Alterar modelo

Restaurar arquivo salvo automaticamente: ?