Respuestas

2013-10-25T21:04:48+02:00
5/3.(-6/4+3/2) / 2/3-4/9

-30/12+15/6  /  2/3-4/9 = -10/4+5/2  /  2/3-4/9

-10+10/4  /  6-4/9

0/4 / 2/9= 0/8=0