Răspuns :
42 : 7 = 6 siraguri Ana
63 : 7 = 9 siraguri Elena
6 + 9 = 15 siraguri in total
63 : 7 = 9 siraguri Elena
6 + 9 = 15 siraguri in total
ANA: 42:7=6 siraguri
ELENA: 63:7=9 siraguri
------------------------------
TOTAL: 15 siraguri
sau:
(42+63):7=105:7=15 siraguri
ELENA: 63:7=9 siraguri
------------------------------
TOTAL: 15 siraguri
sau:
(42+63):7=105:7=15 siraguri