Respuestas

2013-10-18T06:45:57+02:00

1 +1 = 2, 1 +2 = 3, 2 +3 = 5, 3 +5 = 8
8+9=17+3=20
5+7=12+12=24
4+9=13+8=21
2+1=3+90=93
10+5=15+20=35