Question

36点计算，数学高手帮帮忙~好的重赏~

（1）12 13 14 16
（2）2 13 13 23
（3）3 16 17 25
（4）4 4 12 12
（5）5 5 9 9
（6）9 10 11 13
（7）3 6 12 21
（8）9 10 11 16
（9）4 6 12 21
（10）7 7 7 13
（11）9 10 11 17
（12）4 6 12 15
（13）5 5 5 11
（14）9 10 11 18
（15）3 6 9 17
（16）3 10 13 22
（17）9 10 12 21
（18）4 13 13 25
（19）4 4 17 26
（20）12 13 14 18
（21）2 4 12 21
（22）2 6 12 21
（23）3 5 12 18
（24）4 5 12 19
（25）2 9 9 9
（26）9 9 9 13
（27）9 9 9 14
（28）5 6 12 21
（29 ）2 13 14 21
（30）1 2 4 8
（31）5 7 11 13
（32）7 7 11 14
（33）1 4 12 18
（34）5 8 13 21
（35）5 6 12 28
（36）4 11 16 22
谢谢了~%>_<%

Answer 1

果断写程序算，但有三个在整数范围内无解，应该是要用分数的吧，我就不算了。
1. 12 13 14 16:: 14 + 13 = 27, 27 * 16 = 432, 432 / 12 = 36
2. 2 13 13 23:: 13 * 2 = 26, 23 - 13 = 10, 26 + 10 = 36
3. 3 16 17 25:: 17 + 16 = 33, 33 / 3 = 11, 25 + 11 = 36
4. 4 4 12 12:: 12 / 4 = 3, 12 - 3 = 9, 9 * 4 = 36
5. ???
6. 9 10 11 13:: 11 - 9 = 2, 13 * 2 = 26, 26 + 10 = 36
7. 3 6 12 21:: 6 - 3 = 3, 21 + 12 = 33, 33 + 3 = 36
8. 9 10 11 16:: 11 - 9 = 2, 10 * 2 = 20, 20 + 16 = 36
9. 4 6 12 21:: 6 * 4 = 24, 24 - 21 = 3, 12 * 3 = 36
10. ???
11. 9 10 11 17:: 11 + 10 = 21, 21 - 17 = 4, 9 * 4 = 36
12. 4 6 12 15:: 12 - 6 = 6, 15 - 6 = 9, 9 * 4 = 36
13. ???
14. 9 10 11 18:: 11 + 9 = 20, 20 / 10 = 2, 18 * 2 = 36
15. 3 6 9 17:: 17 * 3 = 51, 9 + 6 = 15, 51 - 15 = 36
16. 3 10 13 22:: 13 * 10 = 130, 130 - 22 = 108, 108 / 3 = 36
17. 9 10 12 21:: 21 + 9 = 30, 30 / 10 = 3, 12 * 3 = 36
18. 4 13 13 25:: 13 * 13 = 169, 169 - 25 = 144, 144 / 4 = 36
19. 4 4 17 26:: 17 * 4 = 68, 26 * 4 = 104, 104 - 68 = 36
20. 12 13 14 18:: 14 + 12 = 26, 26 / 13 = 2, 18 * 2 = 36
21. 2 4 12 21:: 12 / 4 = 3, 21 - 3 = 18, 18 * 2 = 36
22. 2 6 12 21:: 6 - 2 = 4, 21 - 12 = 9, 9 * 4 = 36
23. 3 5 12 18:: 5 * 3 = 15, 18 - 15 = 3, 12 * 3 = 36
24. 4 5 12 19:: 19 - 4 = 15, 15 / 5 = 3, 12 * 3 = 36
25. 2 9 9 9:: 9 * 2 = 18, 9 + 9 = 18, 18 + 18 = 36
26. 9 9 9 13:: 9 * 9 = 81, 13 * 9 = 117, 117 - 81 = 36
27. 9 9 9 14:: 9 + 9 = 18, 18 - 14 = 4, 9 * 4 = 36
28. 5 6 12 21:: 21 - 6 = 15, 15 / 5 = 3, 12 * 3 = 36
29. 2 13 14 21:: 14 * 2 = 28, 21 - 13 = 8, 28 + 8 = 36
30. 1 2 4 8:: 2 + 1 = 3, 8 + 4 = 12, 12 * 3 = 36
31. 5 7 11 13:: 7 + 5 = 12, 13 + 11 = 24, 24 + 12 = 36
32. 7 7 11 14:: 11 + 7 = 18, 14 / 7 = 2, 18 * 2 = 36
33. 1 4 12 18:: 12 / 4 = 3, 3 - 1 = 2, 18 * 2 = 36
34. 5 8 13 21:: 13 * 5 = 65, 21 + 8 = 29, 65 - 29 = 36
35. 5 6 12 28:: 28 * 6 = 168, 168 + 12 = 180, 180 / 5 = 36
36. 4 11 16 22:: 22 / 11 = 2, 16 * 2 = 32, 32 + 4 = 36