Răspuns :
5015+a+b+c =10004 a+b+c =4989 a _______ b_______+1 c_______+1+1 4989-(1+1+1) = 4986 4986 : 3 =1662 (a ) 1662 +1 =1663 (b ) 1662+1+1 = 1664 ( c) V : 1662+1663+1664 =4989