Question

用数字排列出由8个人参加的乒乓球循环赛第一致七轮的比赛顺序

Answer 1

1-2 3-4 7-8 5-6

1-3 2-4 7-6 5-8

1-4 3-2 7-5 6-8

1-5 3-6 7-4 2-8

1-6 3-5 7-2 4-8

1-7 3-8 4-6 5-2

1-8 3-7 2-6 5-4