278期：《《01,02,04,09,12,20,21,25,27,28,31,37,38,43,44,47》》开：28对
279期：《《02,04,05,07,09,13,15,17,22,26,30,37,38,40,41,48》》开：27错
280期：《《02,06,13,14,16,17,20,22,25,27,29,33,34,36,42,47》》开：42对
281期：《《15,20,23,24,28,29,30,31,33,35,38,39,41,42,45,47》》开：47对
282期：《《01,02,03,06,08,19,22,23,26,27,31,33,41,42,46,48》》开：41对
283期：《《03,05,11,12,14,21,23,25,27,28,30,31,34,38,44,47》》开：45错
284期：《《01,04,06,08,10,11,22,24,33,34,41,42,44,45,47,49》》开：41对
7中5
285期：《《01,04,05,11,12,23,25,28,32,33,36,41,42,43,45,46》》开：24错