Question

Aflati catul si restul impartirii numaruluiX=abc+bca+cab(deasupra lor e o linie) la numarul Y=a+b+c

Answer 1

X=abc+bca+cab=100*a+10*b+c+100*b+10*c+a+100*c+10*a+b=111*a+111*b+111*c=111*(a+b+c)

X:Y=111*(a+b+c):(a+b+c)=111 rest 0