SCRIE TOATE FRACTIILE DE FORMA -1x/12 2x/x4 x/x3

-10/12,-11/12,-12/12,-13/12,-14/12,-15/12,-16/12,-17/12,-18/12,-19/12
21/14,22/24,23/34,24/44,25/54,26/64,27/74,28/84,29/94
0/30,-1/31,-2/32,-3/33,-4/34,-5/35,-6/36,-7/37,-8/38,-9/39
2