没有重复数字，而且有1个答案的问题有31个：

Question: 1 2 7 12

Question: 1 2 8 10

Question: 1 2 9 11

Question: 1 3 4 6

Question: 1 3 9 10

Question: 1 4 5 6

Question: 1 4 6 10

Question: 1 4 7 11

Question: 1 5 8 13

Question: 1 6 11 13

Question: 2 3 5 12

Question: 2 3 8 13

Question: 2 3 9 12

Question: 2 4 11 12

Question: 2 5 7 8

Question: 2 7 8 9

Question: 3 4 7 8

Question: 3-5-7-13

Question: 4 5 7 10

Question: 4 7 8 11

Question: 4 9 10 11

Question: 4 10 11 13

Question: 5 6 7 9

Question: 5 7 9 10

Question: 5 7 10 11

Question: 6 8 9 10

Question: 6 8 10 11

Question: 6 9 11 12

Question: 6 9 11 13

Question: 6 11 12 13

Question: 7 10 11 13

标签 在线求24点答案