1, 3, 3, 9的24点答案：
1: (1 + 3) × (9 - 3)
2: 1 × 3 × 9 - 3
3: (1 × 3) × 9 - 3
4: (1 × 3 × 9) - 3
5: ((1 × 3) × 9) - 3
6: (1 × (3 × 9)) - 3
7: 1 × (3 × 9) - 3
8: 1 × (3 × 9 - 3)
9: 1 × ((3 × 9) - 3)
10: 1 × 9 × 3 - 3
11: (1 × 9) × 3 - 3
12: (1 × 9 × 3) - 3
13: ((1 × 9) × 3) - 3
14: (1 × (9 × 3)) - 3
15: 1 × (9 × 3) - 3
16: 1 × (9 × 3 - 3)
17: 1 × ((9 × 3) - 3)
18: (3 - 1) × (3 + 9)
19: (3 - 1 ÷ 3) × 9
20: (3 - (1 ÷ 3)) × 9
21: (3 + 1) × (9 - 3)
22: (3 - 1) × (9 + 3)
23: 3 × 1 × 9 - 3
24: (3 × 1) × 9 - 3
25: (3 × 1 × 9) - 3
26: ((3 × 1) × 9) - 3
27: (3 × (1 × 9)) - 3
28: 3 × (1 × 9) - 3
29: 3 ÷ 1 × 9 - 3
30: (3 ÷ 1) × 9 - 3
31: (3 ÷ 1 × 9) - 3
32: ((3 ÷ 1) × 9) - 3
33: (3 ÷ (1 ÷ 9)) - 3
34: 3 ÷ (1 ÷ 9) - 3
35: 3 × 9 - 1 × 3
36: (3 × 9) - 1 × 3
37: 3 × 9 -(1 × 3)
38: (3 × 9) - (1 × 3)
39: 3 × 9 × 1 - 3
40: (3 × 9) × 1 - 3
41: (3 × 9 × 1) - 3
42: ((3 × 9) × 1) - 3
43: (3 × (9 × 1)) - 3
44: 3 × (9 × 1) - 3
45: 3 × 9 ÷ 1 - 3
46: (3 × 9) ÷ 1 - 3
47: (3 × 9 ÷ 1) - 3
48: ((3 × 9) ÷ 1) - 3
49: (3 × (9 ÷ 1)) - 3
50: 3 × (9 ÷ 1) - 3
51: (3 + 9) × (3 - 1)
52: 3 × 9 - 3 × 1
53: (3 × 9) - 3 × 1
54: (3 × 9 - 3) × 1
55: ((3 × 9) - 3) × 1
56: 3 × 9 -(3 × 1)
57: (3 × 9) - (3 × 1)
58: 3 × 9 - 3 ÷ 1
59: (3 × 9) - 3 ÷ 1
60: (3 × 9 - 3) ÷ 1
61: ((3 × 9) - 3) ÷ 1
62: 3 × 9 -(3 ÷ 1)
63: (3 × 9) - (3 ÷ 1)
64: 9 × 1 × 3 - 3
65: (9 × 1) × 3 - 3
66: (9 × 1 × 3) - 3
67: ((9 × 1) × 3) - 3
68: (9 × (1 × 3)) - 3
69: 9 × (1 × 3) - 3
70: 9 ÷ 1 × 3 - 3
71: (9 ÷ 1) × 3 - 3
72: (9 ÷ 1 × 3) - 3
73: ((9 ÷ 1) × 3) - 3
74: (9 ÷ (1 ÷ 3)) - 3
75: 9 ÷ (1 ÷ 3) - 3
76: (9 - 3) × (1 + 3)
77: 9 × 3 - 1 × 3
78: (9 × 3) - 1 × 3
79: 9 × 3 -(1 × 3)
80: (9 × 3) - (1 × 3)
81: 9 × (3 - 1 ÷ 3)
82: 9 × (3 - (1 ÷ 3))
83: 9 × 3 × 1 - 3
84: (9 × 3) × 1 - 3
85: (9 × 3 × 1) - 3
86: ((9 × 3) × 1) - 3
87: (9 × (3 × 1)) - 3
88: 9 × (3 × 1) - 3
89: 9 × 3 ÷ 1 - 3
90: (9 × 3) ÷ 1 - 3
91: (9 × 3 ÷ 1) - 3
92: ((9 × 3) ÷ 1) - 3
93: (9 × (3 ÷ 1)) - 3
94: 9 × (3 ÷ 1) - 3
95: (9 + 3) × (3 - 1)
96: (9 - 3) × (3 + 1)
97: 9 × 3 - 3 × 1
98: (9 × 3) - 3 × 1
99: (9 × 3 - 3) × 1
100: ((9 × 3) - 3) × 1
101: 9 × 3 -(3 × 1)
102: (9 × 3) - (3 × 1)
103: 9 × 3 - 3 ÷ 1
104: (9 × 3) - 3 ÷ 1
105: (9 × 3 - 3) ÷ 1
106: ((9 × 3) - 3) ÷ 1
107: 9 × 3 -(3 ÷ 1)
108: (9 × 3) - (3 ÷ 1) 1, 2, 4, 4的24点答案：
1: (1 + 2) × (4 + 4)
2: (1 × 2 + 4) × 4
3: ((1 × 2) + 4) × 4
4: (1 × (2 + 4)) × 4
5: 1 × (2 + 4) × 4
6: 1 × ((2 + 4) × 4)
7: (1 × 4 + 2) × 4
8: ((1 × 4) + 2) × 4
9: (1 × (4 + 2)) × 4
10: 1 × (4 + 2) × 4
11: 1 × ((4 + 2) × 4)
12: 1 × (4 × (2 + 4))
13: 1 × 4 ×(2 + 4)
14: (1 × 4) × (2 + 4)
15: 1 × (4 × (4 + 2))
16: 1 × 4 ×(4 + 2)
17: (1 × 4) × (4 + 2)
18: (2 + 1) × (4 + 4)
19: (2 + 1 × 4) × 4
20: (2 + (1 × 4)) × 4
21: (2 × 1 + 4) × 4
22: ((2 × 1) + 4) × 4
23: (2 ÷ 1 + 4) × 4
24: ((2 ÷ 1) + 4) × 4
25: (2 + 4) × 1 × 4
26: (2 + 4 × 1) × 4
27: ((2 + 4) × 1) × 4
28: (2 + (4 × 1)) × 4
29: (2 + 4) × (1 × 4)
30: (2 + 4) ÷ 1 × 4
31: (2 + 4 ÷ 1) × 4
32: ((2 + 4) ÷ 1) × 4
33: (2 + (4 ÷ 1)) × 4
34: (2 + 4) ÷ (1 ÷ 4)
35: (2 × (4 - 1)) × 4
36: 2 × (4 - 1) × 4
37: 2 × ((4 - 1) × 4)
38: (2 + 4) × 4 × 1
39: ((2 + 4) × 4) × 1
40: (2 + 4) × (4 × 1)
41: (2 + 4) × 4 ÷ 1
42: ((2 + 4) × 4) ÷ 1
43: (2 + 4) × (4 ÷ 1)
44: 2 × (4 × (4 - 1))
45: 2 × 4 ×(4 - 1)
46: (2 × 4) × (4 - 1)
47: (4 + 1 × 2) × 4
48: (4 + (1 × 2)) × 4
49: (4 - 1) × 2 × 4
50: ((4 - 1) × 2) × 4
51: (4 - 1) × (2 × 4)
52: (4 × 1 + 2) × 4
53: ((4 × 1) + 2) × 4
54: 4 × (1 × 2 + 4)
55: 4 × ((1 × 2) + 4)
56: 4 × (1 × (2 + 4))
57: 4 × 1 ×(2 + 4)
58: (4 × 1) × (2 + 4)
59: (4 ÷ 1 + 2) × 4
60: ((4 ÷ 1) + 2) × 4
61: 4 ÷ 1 ×(2 + 4)
62: (4 ÷ 1) × (2 + 4)
63: 4 ÷ (1 ÷ (2 + 4))
64: (4 - 1) × 4 × 2
65: ((4 - 1) × 4) × 2
66: (4 - 1) × (4 × 2)
67: 4 × (1 × 4 + 2)
68: 4 × ((1 × 4) + 2)
69: 4 × (1 × (4 + 2))
70: 4 × 1 ×(4 + 2)
71: (4 × 1) × (4 + 2)
72: 4 ÷ 1 ×(4 + 2)
73: (4 ÷ 1) × (4 + 2)
74: 4 ÷ (1 ÷ (4 + 2))
75: (4 + 2) × 1 × 4
76: (4 + 2 × 1) × 4
77: ((4 + 2) × 1) × 4
78: (4 + (2 × 1)) × 4
79: (4 + 2) × (1 × 4)
80: (4 + 2) ÷ 1 × 4
81: (4 + 2 ÷ 1) × 4
82: ((4 + 2) ÷ 1) × 4
83: (4 + (2 ÷ 1)) × 4
84: (4 + 2) ÷ (1 ÷ 4)
85: 4 × (2 + 1 × 4)
86: 4 × (2 + (1 × 4))
87: 4 × (2 × 1 + 4)
88: 4 × ((2 × 1) + 4)
89: 4 × (2 ÷ 1 + 4)
90: 4 × ((2 ÷ 1) + 4)
91: (4 + 2) × 4 × 1
92: ((4 + 2) × 4) × 1
93: (4 + 2) × (4 × 1)
94: (4 + 2) × 4 ÷ 1
95: ((4 + 2) × 4) ÷ 1
96: (4 + 2) × (4 ÷ 1)
97: (4 × (2 + 4)) × 1
98: 4 × (2 + 4) × 1
99: 4 × (2 + 4 × 1)
100: 4 × ((2 + 4) × 1)
101: 4 × (2 + (4 × 1))
102: (4 × (2 + 4)) ÷ 1
103: 4 × (2 + 4) ÷ 1
104: 4 × (2 + 4 ÷ 1)
105: 4 × ((2 + 4) ÷ 1)
106: 4 × (2 + (4 ÷ 1))
107: 4 × (2 × (4 - 1))
108: 4 × 2 ×(4 - 1)
109: (4 × 2) × (4 - 1)
110: (4 + 4) × (1 + 2)
111: 4 × (4 + 1 × 2)
112: 4 × (4 + (1 × 2))
113: (4 × (4 - 1)) × 2
114: 4 × (4 - 1) × 2
115: 4 × ((4 - 1) × 2)
116: 4 × (4 × 1 + 2)
117: 4 × ((4 × 1) + 2)
118: 4 × (4 ÷ 1 + 2)
119: 4 × ((4 ÷ 1) + 2)
120: (4 + 4) × (2 + 1)
121: (4 × (4 + 2)) × 1
122: 4 × (4 + 2) × 1
123: 4 × (4 + 2 × 1)
124: 4 × ((4 + 2) × 1)
125: 4 × (4 + (2 × 1))
126: (4 × (4 + 2)) ÷ 1
127: 4 × (4 + 2) ÷ 1
128: 4 × (4 + 2 ÷ 1)
129: 4 × ((4 + 2) ÷ 1)
130: 4 × (4 + (2 ÷ 1)) 其他的我不想复制了，网上有算24的软件，自己百度一下！
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