小大大 大大小 偶奇偶 奇奇偶 独胆7银胆27和值15 14 11 跨度2,7 大底203,217,227,276,296,378,525,572,624,714,730,734,759,767,771,779,787,829,871,926 缩水056,304,575,741,755,806一注027