278期必中单双↘==单==↙开狗07准

279期必中单双↘==单==↙开牛40错

280期必中单双↘==双==↙开羊22准

281期必中单双↘==双==↙开狗43错

282期必中单双↘==双==↙开龙13错

283期必中单双↘==单==↙