12, 12, 3, 1的24点答案：
1: 12 × 3 - 12 × 1
2: (12 × 3) - 12 × 1
3: (12 × 3 - 12) × 1
4: ((12 × 3) - 12) × 1
5: 12 × 3 -(12 × 1)
6: (12 × 3) - (12 × 1)
7: 12 × 3 - 12 ÷ 1
8: (12 × 3) - 12 ÷ 1
9: (12 × 3 - 12) ÷ 1
10: ((12 × 3) - 12) ÷ 1
11: 12 × 3 -(12 ÷ 1)
12: (12 × 3) - (12 ÷ 1)
13: 12 × 3 - 1 × 12
14: (12 × 3) - 1 × 12
15: 12 × 3 -(1 × 12)
16: (12 × 3) - (1 × 12)
17: 12 × 3 × 1 - 12
18: (12 × 3) × 1 - 12
19: (12 × 3 × 1) - 12
20: ((12 × 3) × 1) - 12
21: (12 × (3 × 1)) - 12
22: 12 × (3 × 1) - 12
23: 12 × 3 ÷ 1 - 12
24: (12 × 3) ÷ 1 - 12
25: (12 × 3 ÷ 1) - 12
26: ((12 × 3) ÷ 1) - 12
27: (12 × (3 ÷ 1)) - 12
28: 12 × (3 ÷ 1) - 12
29: 12 × 1 × 3 - 12
30: (12 × 1) × 3 - 12
31: (12 × 1 × 3) - 12
32: ((12 × 1) × 3) - 12
33: (12 × (1 × 3)) - 12
34: 12 × (1 × 3) - 12
35: 12 ÷ 1 × 3 - 12
36: (12 ÷ 1) × 3 - 12
37: (12 ÷ 1 × 3) - 12
38: ((12 ÷ 1) × 3) - 12
39: (12 ÷ (1 ÷ 3)) - 12
40: 12 ÷ (1 ÷ 3) - 12
41: 3 × 12 - 12 × 1
42: (3 × 12) - 12 × 1
43: (3 × 12 - 12) × 1
44: ((3 × 12) - 12) × 1
45: 3 × 12 -(12 × 1)
46: (3 × 12) - (12 × 1)
47: 3 × 12 - 12 ÷ 1
48: (3 × 12) - 12 ÷ 1
49: (3 × 12 - 12) ÷ 1
50: ((3 × 12) - 12) ÷ 1
51: 3 × 12 -(12 ÷ 1)
52: (3 × 12) - (12 ÷ 1)
53: 3 × 12 - 1 × 12
54: (3 × 12) - 1 × 12
55: 3 × 12 -(1 × 12)
56: (3 × 12) - (1 × 12)
57: 3 × 12 × 1 - 12
58: (3 × 12) × 1 - 12
59: (3 × 12 × 1) - 12
60: ((3 × 12) × 1) - 12
61: (3 × (12 × 1)) - 12
62: 3 × (12 × 1) - 12
63: 3 × 12 ÷ 1 - 12
64: (3 × 12) ÷ 1 - 12
65: (3 × 12 ÷ 1) - 12
66: ((3 × 12) ÷ 1) - 12
67: (3 × (12 ÷ 1)) - 12
68: 3 × (12 ÷ 1) - 12
69: 3 × 1 × 12 - 12
70: (3 × 1) × 12 - 12
71: (3 × 1 × 12) - 12
72: ((3 × 1) × 12) - 12
73: (3 × (1 × 12)) - 12
74: 3 × (1 × 12) - 12
75: 3 ÷ 1 × 12 - 12
76: (3 ÷ 1) × 12 - 12
77: (3 ÷ 1 × 12) - 12
78: ((3 ÷ 1) × 12) - 12
79: (3 ÷ (1 ÷ 12)) - 12
80: 3 ÷ (1 ÷ 12) - 12
81: 1 × 12 × 3 - 12
82: (1 × 12) × 3 - 12
83: (1 × 12 × 3) - 12
84: ((1 × 12) × 3) - 12
85: (1 × (12 × 3)) - 12
86: 1 × (12 × 3) - 12
87: 1 × (12 × 3 - 12)
88: 1 × ((12 × 3) - 12)
89: 1 × 3 × 12 - 12
90: (1 × 3) × 12 - 12
91: (1 × 3 × 12) - 12
92: ((1 × 3) × 12) - 12
93: (1 × (3 × 12)) - 12
94: 1 × (3 × 12) - 12
95: 1 × (3 × 12 - 12)
96: 1 × ((3 × 12) - 12)
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