Respostas

2013-06-10T23:15:37-03:00
2= 2 / 6=6 / 10 =10 / 12= 12 / 40=40 / 50=50 obs: resolvi todos na calculadora esta tudo correto :)
2013-06-11T08:22:16-03:00

2= 2 / 6=6 / 10 =10 / 12= 12 / 40=40 / 50=50