Question

determinati numarul natural n de trei cifre de forma abc

barat stiind ca ;
abc barat = ab barat +bc barat + ca barat !! Urgent va rog

Answer 1

abc barat =10a+b+10b+c+10c+a      
abc barat=11a+11b+11c = 11(a+b+c)  rezulta a+b+c= {10, 11, 12, . . .27}  
 abc barat = {110,121, 132, . . ., 297}