enuntul e in imagine va rog dau coroana ?????

1.
428=2*124 => 2/248
234=2*117 =>2/234
526=2*263=> 2/536
452=2*226 => 2/452
5428=2*2714 =>2/5428
2.
Vei sublinia : 245,2540,6205,8335
3.
Vei sublinia: 2500,620,10000,50050