278期，，精心计算二十八码，，01,02,06,09,10,11,12,14,15,16,20,21,24,25,26,27,28,30,32,33,36,41,42,43,45,46,47,49═开：02对
279期，，精心计算二十八码，，02,03,05,10,12,14,17,18,19,21,25,27,28,29,30,31,32,35,36,37,38,40,41,44,45,46,47,49═开：10对
280期，，精心计算二十八码，，01,03,05,06,07,08,09,10,12,13,14,16,17,18,19,21,24,28,31,36,37,38,39,41,44,45,46,49═开：=--=