Respuestas

2013-11-06T04:47:04+01:00
A) 2/3 X 3/2 = 6/6=1

B)4/5 X 10/9= 40/45=8/9

C) 7/8 X 16/21= 112/168=2/3

D) 52/24 X 4/13=208/312=2/3

E) 18/15 X 90/36 = 1620/540=3

F)21/22 X 11/49 = 231/1078=3/14