Question

Impartind numarul abc la bc obtinem catul 4 si restul a. Aratati ca b=c

Answer 1

abc: bc=4 rest a

=> abc=4•bc+a

100a+bc=4•bc+a

99a=3•bc   |:3

33a=bc

a={1; 2; 3}=> bc={33; 66; 99}

deci, a=b={3; 6; 9}