281期：≡十拿九稳《01,02,04,06,08,16,17,18,23,24,26,27,31,34,35,36,37,39,40,43,46,47,48,49》开：17中
282期：≡十拿九稳《04,06,07,08,11,12,16,17,18,20,21,24,26,27,28,29,30,31,35,36,37,38,48,49》开：30中
283期：≡十拿九稳《01,03,04,05,08,11,14,16,19,20,21,22,23,25,30,31,32,33,38,40,41,44,45,49》开：39错
284期：≡十拿九稳《01,02,06,08,10,12,13,16,17,19,21,22,25,27,28,34,35,38,39,40,41,43,44,49》开：88