在1/2,1/3,1/4.....1/50中找出7个，加起来等于1

1/2,1/3,1/16,1/30,1/36,1/45,1/48
1/2,1/3,1/20,1/24,1/36,1/40,1/45
1/2,1/3,1/21,1/24,1/35,1/40,1/42
1/2,1/3,1/21,1/28,1/30,1/36,1/45
1/2,1/4,1/7,1/30,1/36,1/42,1/45
1/2,1/4,1/8,1/20,1/36,1/40,1/45
1/2,1/4,1/8,1/21,1/35,1/40,1/42
1/2,1/4,1/8,1/24,1/30,1/36,1/45
1/2,1/4,1/9,1/16,1/30,1/45,1/48
1/2,1/4,1/9,1/18,1/30,1/36,1/45
1/2,1/4,1/9,1/20,1/24,1/40,1/45
1/2,1/4,1/9,1/21,1/28,1/30,1/45
1/2,1/4,1/10,1/14,1/35,1/36,1/45
1/2,1/4,1/10,1/15,1/30,1/36,1/45
1/2,1/4,1/10,1/16,1/24,1/40,1/48
1/2,1/4,1/10,1/18,1/24,1/36,1/40
1/2,1/4,1/10,1/20,1/21,1/35,1/42
1/2,1/4,1/10,1/20,1/24,1/30,1/40
1/2,1/4,1/11,1/16,1/22,1/33,1/48
1/2,1/4,1/11,1/18,1/22,1/33,1/36
1/2,1/4,1/11,1/20,1/22,1/30,1/33
1/2,1/4,1/12,1/14,1/24,1/35,1/40
1/2,1/4,1/12,1/15,1/20,1/36,1/45
1/2,1/4,1/12,1/15,1/21,1/35,1/42
1/2,1/4,1/12,1/15,1/24,1/30,1/40
1/2,1/4,1/12,1/16,1/18,1/36,1/48
1/2,1/4,1/12,1/16