Răspunsuri

2014-02-17T18:14:19+02:00
9/15 + 4/15 =13/15
  15/15 - 13/15 = 2/15 (ce a ramas)

2 3 2
2014-02-17T18:15:01+02:00
15/15 intregul tort

Cat au consumat in total prietenii si familia?

9/15+4/15=13/15

Cat a mai ramas din tort?

15/15-13/15=2/15
1 5 1