Respostas

2014-03-06T20:25:12-03:00
2014-03-06T20:29:26-03:00
6x(15x4+8)=
6x(60+8)=
6x68=
408
85-6x(2x9-6=
85-6x(18-6=
85-6x12=
85+72=
157


1 3 1