285期:〓〓半数03,05,08,12,14,15,16,19,21,22,23,24,27,29,30,36,37,38,39,42,43,44,45,46》开21准
286期:〓〓半数03,04,08,09,10,12,15,16,17,18,20,21,22,24,25,29,30,32,36,37,39,40,48,49》开45错
287期:〓〓半数01,03,04,05,08,10,13,15,16,17,18,20,22,23,27,29,33,35,38,41,42,44,45,48》开40错
288期:〓〓半数01,02,03,04,05,07,09,12,15,17,20,21,23,25,26,28,30,31,34,35,38,41,42,45》开26准
289期:〓〓半数02,03,04,07,12,16,17,18,19,21,22,25,27,28,30,35,36,37,39,40,42,44,45,48》开04准
290期:〓〓半数03,04,05,07,08,09,11,12,14,16,17,22,24,29,30,33,36,37,38,41,43,44,45,47》开？？