279期必中单双↘==单==↙开兔27准

280期必中单双↘==双==↙开鼠42准

281期必中单双↘==双==↙开羊47错

282期必中单双↘==单==↙开牛41准

283期必中单双↘==单==↙开鸡45准

284期必中单双↘==双==↙开牛41错

285期必中单双↘==双==↙