270期：((03/05/08/13/19/20/24/26/27/35/36/39/42/44/46/49))开：35中
271期：((02/07/14/17/18/19/21/22/25/26/27/30/36/37/47/49))开：06错
272期：((02/11/12/17/18/25/26/29/30/32/33/37/38/42/46/49))开：36错
273期：((04/07/13/14/15/19/21/23/25/27/30/37/39/42/44/49))开：04中
274期：((01/04/07/08/12/13/15/19/21/22/24/30/31/37/43/47))开：？？