Question

determinati numerele de forma abc stiind caimpartite la bc dau catul 6 si restul 5. plsss . dau coroana

Answer 1

abc=6 x bc +5

100a+bc=6 x bc +5

5 x bc=100a - 5

bc=20a - 1 ( bc e cu bara sus)

a=1, bc=19

a=2, bc=39

a=3, bc=59

a=4, bc=79

a=5, bc=99

abc={119;239;359;479;599}