Răspunsuri

2014-08-07T12:15:10+03:00
Cel mai inteligent răspuns!
2014-08-07T12:20:57+03:00
6m = 600 cm
ziua = 80cm urcati, noaptea = 60 cm coborati =>600 / (80 - 60) =600 / 20= 30 zile
In fiecae zi face 20 de cm.
2 5 2