Respostas

2013-04-01T10:30:00-03:00

x/3 + x/2 =50  

 

2x+3x  = 50.6

 

5x = 300 

 

x= 300/5

 

x=60

 

x/4= ?

 

60/4= 15

 

1 5 1
2013-04-01T10:48:23-03:00