Respuestas

2013-08-31T20:59:04+02:00

a) 46/60 = 23/30

b) 48/120 = 24/60 = 12/30 = 6/15

c) 120/80 = 12/8 = 3/2

d) 244/144 = 122/72 = 61/36

e) 24/140 = 12/70 = 6/35

f) 36/45 = 4/5