1.Cate cuburi de gheata a folosit Daria?
scadem nr. total de cuburi cu nr.total de cuburi folosite de Ema si Victor
217-158=59 cuburi
2.Cate cuburi a folost Victor?
daca Victor si Daria am folosit 144 de cuburi de gheata iar Daria are 59 facem
144-59=85 Victor
3.Cate cuburi de gheata are Ema?
daca Victor are 85 si sunt 158 atunci
158-85=73 are Ema
Proba:73+85+59=158+59
=217