278期:必出单双===>>>单数<<<===开狗07准

279期:必出单双===>>>双数<<<===开牛40准

280期:必出单双===>>>双数<<<===开羊22准

281期:必出单双===>>>单数<<<===开狗43准

282期:必出单双===>>>单数<<<===开龙13准

283期:必出单双===>>>双数<<<===