283期：<<02/07/13/14/17/18/25/27/28/29/32/33/36/43/45/47>>开：47对
284期：<<04/05/06/09/11/13/14/26/27/29/30/31/40/41/43/49>>开：27对
285期：<<02/03/04/07/10/11/13/16/21/27/29/30/35/42/43/47>>开：21对
286期：<<01/02/05/10/12/13/22/26/28/30/31/32/33/43/44/47>>开：45错
287期：<<01/02/07/11/12/13/16/17/28/29/30/34/38/42/45/49>>开：40错
288期：<<04/06/08/10/12/13/19/21/23/24/26/29/36/40/44/48>>开：26对
289期：<<01/04/07/08/10/12/13/15/23/27/28/31/33/42/43/47>>开：04对
7----------5
290期：<<05/10/14/15/17/18/20/21/25/29/37/41/44/46/48/49>>开：11错
291期：<<01/02/04/07/12/13/21/25/30/32/33/36/40/41/42/46>>开：14错
