Respostas

A melhor resposta!
2014-03-29T08:58:16-03:00
3/5  x 2/7 + (-4/7)
6/35+1/3+ 4/7 =
18/105 +105/105 +60/105= 183/105
1 5 1
183/2 = 183/105 x 2/5 = 366/525 simplifica por 3 = 122/175
ouseja 183/105: 5/2 =183/105 x 2/5 + 366/525 simplifica por 3 = 122/175