Respostas

2013-05-17T22:54:32-03:00

6/(2 (1+2))

6/(2 . 3)

6/6

1

2 2 2
2013-05-17T23:06:11-03:00

6/2(1+2)=x

6/2+4=x/1

6/6=x/1

multiplicando cruzado, temos:

6x=6

x=1