279期：≡十拿九稳《02,03,04,05,07,08,10,13,14,15,16,20,21,26,27,29,31,32,33,36,37,41,45,49》开：10中
280期：≡十拿九稳《03,04,06,07,10,11,12,13,16,17,27,28,30,31,32,33,34,40,43,44,45,46,47,49》开：15错
281期：≡十拿九稳《01,02,03,07,09,12,13,17,18,19,25,26,27,29,30,31,32,34,35,36,37,42,45,49》开：10错
282期：≡十拿九稳《05,06,08,10,12,14,16,19,20,21,23,24,26,30,33,35,38,39,42,43,45,46,47,48》开：88