[追根求源]大乐透2021112拖胆投注计算预测定胆及杀号：12 21 31
- 前区三胆
- 12,21,31
- 前区五胆
- 08,12,16,21,31
- 前区杀三码
- 03,04,14
- 前区杀六码
- 03,04,14,17,22,23
- 后区三胆
- 03,09,12
- 后区五胆
- 03,05,06,09,12
- 后区杀一码
- 10
- 后区杀三码
- 08,10,11
- 复式7+3
- 08,10,12,16,21,31,34 + 03,06,12
- 前12+后3
- 08,10,12,16,19,21,26,29,31,32,33,34 + 03,06,12
- 20码大底
- 06,08,10,11,12,13,16,18,19,21,24,26,28,29,30,31,32,33,34,35