Question

你会算24点吗

用2、6、8、5三张牌通过+、－、×、÷最后得24，你有多少种算法？写下来

Answer 1

1: (2 + 6) × (8 - 5)
2: (2 + 6 - 5) × 8
3: ((2 + 6) - 5) × 8
4: (2 + (6 - 5)) × 8
5: 2 + 6 × 5 - 8
6: (2 + 6 × 5) - 8
7: (2 + (6 × 5)) - 8
8: 2 + (6 × 5) - 8
9: 2 + (6 × 5 - 8)
10: 2 + ((6 × 5) - 8)
11: 2 - 8 + 6 × 5
12: (2 - 8) + 6 × 5
13: 2 - 8 +(6 × 5)
14: (2 - 8) + (6 × 5)
15: 2 - (8 - 6 × 5)
16: 2 - (8 - (6 × 5))
17: 2 - 8 + 5 × 6
18: (2 - 8) + 5 × 6
19: 2 - 8 +(5 × 6)
20: (2 - 8) + (5 × 6)
21: 2 - (8 - 5 × 6)
22: 2 - (8 - (5 × 6))
23: 2 + 5 × 6 - 8
24: (2 + 5 × 6) - 8
25: (2 + (5 × 6)) - 8
26: 2 + (5 × 6) - 8
27: 2 + (5 × 6 - 8)
28: 2 + ((5 × 6) - 8)
29: (2 - 5 + 6) × 8
30: ((2 - 5) + 6) × 8
31: (2 - (5 - 6)) × 8
32: 2 × 5 + 6 + 8
33: (2 × 5) + 6 + 8
34: (2 × 5 + 6) + 8
35: ((2 × 5) + 6) + 8
36: 2 × 5 +(6 + 8)
37: (2 × 5) + (6 + 8)
38: 2 × 5 + 8 + 6
39: (2 × 5) + 8 + 6
40: (2 × 5 + 8) + 6
41: ((2 × 5) + 8) + 6
42: 2 × 5 +(8 + 6)
43: (2 × 5) + (8 + 6)
44: (6 + 2) × (8 - 5)
45: (6 + 2 - 5) × 8
46: ((6 + 2) - 5) × 8
47: (6 + (2 - 5)) × 8
48: 6 + 2 × 5 + 8
49: (6 + 2 × 5) + 8
50: (6 + (2 × 5)) + 8
51: 6 + (2 × 5) + 8
52: 6 + (2 × 5 + 8)
53: 6 + ((2 × 5) + 8)
54: 6 + 8 + 2 × 5
55: (6 + 8) + 2 × 5
56: 6 + (8 + 2 × 5)
57: 6 + (8 + (2 × 5))
58: 6 + 8 +(2 × 5)
59: (6 + 8) + (2 × 5)
60: 6 + 8 + 5 × 2
61: (6 + 8) + 5 × 2
62: 6 + (8 + 5 × 2)
63: 6 + (8 + (5 × 2))
64: 6 + 8 +(5 × 2)
65: (6 + 8) + (5 × 2)
66: 6 + 5 × 2 + 8
67: (6 + 5 × 2) + 8
68: (6 + (5 × 2)) + 8
69: 6 + (5 × 2) + 8
70: 6 + (5 × 2 + 8)
71: 6 + ((5 × 2) + 8)
72: (6 - 5 + 2) × 8
73: ((6 - 5) + 2) × 8
74: (6 - (5 - 2)) × 8
75: 6 × 5 + 2 - 8
76: (6 × 5) + 2 - 8
77: (6 × 5 + 2) - 8
78: ((6 × 5) + 2) - 8
79: 6 × 5 +(2 - 8)
80: (6 × 5) + (2 - 8)
81: 6 × 5 - 8 + 2
82: (6 × 5) - 8 + 2
83: (6 × 5 - 8) + 2
84: ((6 × 5) - 8) + 2
85: 6 × 5 -(8 - 2)
86: (6 × 5) - (8 - 2)
87: 8 × (2 + 6 - 5)
88: 8 × ((2 + 6) - 5)
89: 8 × (2 + (6 - 5))
90: 8 + 2 × 5 + 6
91: (8 + 2 × 5) + 6
92: (8 + (2 × 5)) + 6
93: 8 + (2 × 5) + 6
94: 8 + (2 × 5 + 6)
95: 8 + ((2 × 5) + 6)
96: (8 - 2) × 5 - 6
97: ((8 - 2) × 5) - 6
98: 8 × (2 - 5 + 6)
99: 8 × ((2 - 5) + 6)
100: 8 × (2 - (5 - 6))
101: 8 + 6 + 2 × 5
102: (8 + 6) + 2 × 5
103: 8 + (6 + 2 × 5)
104: 8 + (6 + (2 × 5))
105: 8 + 6 +(2 × 5)
106: (8 + 6) + (2 × 5)
107: 8 × (6 + 2 - 5)
108: 8 × ((6 + 2) - 5)
109: 8 × (6 + (2 - 5))
110: 8 + 6 + 5 × 2
111: (8 + 6) + 5 × 2
112: 8 + (6 + 5 × 2)
113: 8 + (6 + (5 × 2))
114: 8 + 6 +(5 × 2)
115: (8 + 6) + (5 × 2)
116: 8 × (6 - 5 + 2)
117: 8 × ((6 - 5) + 2)
118: 8 × (6 - (5 - 2))
119: 8 + 5 × 2 + 6
120: (8 + 5 × 2) + 6
121: (8 + (5 × 2)) + 6
122: 8 + (5 × 2) + 6
123: 8 + (5 × 2 + 6)
124: 8 + ((5 × 2) + 6)
125: (8 - 5) × (2 + 6)
126: (8 - 5) × (6 + 2)
127: 5 × 2 + 6 + 8
128: (5 × 2) + 6 + 8
129: (5 × 2 + 6) + 8
130: ((5 × 2) + 6) + 8
131: 5 × 2 +(6 + 8)
132: (5 × 2) + (6 + 8)
133: 5 × 2 + 8 + 6
134: (5 × 2) + 8 + 6
135: (5 × 2 + 8) + 6
136: ((5 × 2) + 8) + 6
137: 5 × 2 +(8 + 6)
138: (5 × 2) + (8 + 6)
139: 5 × 6 + 2 - 8
140: (5 × 6) + 2 - 8
141: (5 × 6 + 2) - 8
142: ((5 × 6) + 2) - 8
143: 5 × 6 +(2 - 8)
144: (5 × 6) + (2 - 8)
145: 5 × 6 - 8 + 2
146: (5 × 6) - 8 + 2
147: (5 × 6 - 8) + 2
148: ((5 × 6) - 8) + 2
149: 5 × 6 -(8 - 2)
150: (5 × 6) - (8 - 2)
151: (5 × (8 - 2)) - 6
152: 5 × (8 - 2) - 6

Answer 2

你们下面那么多，很多都是重复的，其实用24点计算器就能算出来

Answer 3

多了去了
1: (2 + 6) × (8 - 5)
2: (2 + 6 - 5) × 8
3: ((2 + 6) - 5) × 8
4: (2 + (6 - 5)) × 8
5: 2 + 6 × 5 - 8
6: (2 + 6 × 5) - 8
7: (2 + (6 × 5)) - 8
8: 2 + (6 × 5) - 8
9: 2 + (6 × 5 - 8)
10: 2 + ((6 × 5) - 8)
11: 2 - 8 + 6 × 5
12: (2 - 8) + 6 × 5
13: 2 - 8 +(6 × 5)
14: (2 - 8) + (6 × 5)
15: 2 - (8 - 6 × 5)
16: 2 - (8 - (6 × 5))
17: 2 - 8 + 5 × 6
18: (2 - 8) + 5 × 6
19: 2 - 8 +(5 × 6)
20: (2 - 8) + (5 × 6)
21: 2 - (8 - 5 × 6)
22: 2 - (8 - (5 × 6))
23: 2 + 5 × 6 - 8
24: (2 + 5 × 6) - 8
25: (2 + (5 × 6)) - 8
26: 2 + (5 × 6) - 8
27: 2 + (5 × 6 - 8)
28: 2 + ((5 × 6) - 8)
29: (2 - 5 + 6) × 8
30: ((2 - 5) + 6) × 8
31: (2 - (5 - 6)) × 8
32: 2 × 5 + 6 + 8
33: (2 × 5) + 6 + 8
34: (2 × 5 + 6) + 8
35: ((2 × 5) + 6) + 8
36: 2 × 5 +(6 + 8)
37: (2 × 5) + (6 + 8)
38: 2 × 5 + 8 + 6
39: (2 × 5) + 8 + 6
40: (2 × 5 + 8) + 6
41: ((2 × 5) + 8) + 6
42: 2 × 5 +(8 + 6)
43: (2 × 5) + (8 + 6)
44: (6 + 2) × (8 - 5)
45: (6 + 2 - 5) × 8
46: ((6 + 2) - 5) × 8
47: (6 + (2 - 5)) × 8
48: 6 + 2 × 5 + 8
49: (6 + 2 × 5) + 8
50: (6 + (2 × 5)) + 8
51: 6 + (2 × 5) + 8
52: 6 + (2 × 5 + 8)
53: 6 + ((2 × 5) + 8)
54: 6 + 8 + 2 × 5
55: (6 + 8) + 2 × 5
56: 6 + (8 + 2 × 5)
57: 6 + (8 + (2 × 5))
58: 6 + 8 +(2 × 5)
59: (6 + 8) + (2 × 5)
60: 6 + 8 + 5 × 2
61: (6 + 8) + 5 × 2
62: 6 + (8 + 5 × 2)
63: 6 + (8 + (5 × 2))
64: 6 + 8 +(5 × 2)
65: (6 + 8) + (5 × 2)
66: 6 + 5 × 2 + 8
67: (6 + 5 × 2) + 8
68: (6 + (5 × 2)) + 8
69: 6 + (5 × 2) + 8
70: 6 + (5 × 2 + 8)
71: 6 + ((5 × 2) + 8)
72: (6 - 5 + 2) × 8
73: ((6 - 5) + 2) × 8
74: (6 - (5 - 2)) × 8
75: 6 × 5 + 2 - 8
76: (6 × 5) + 2 - 8
77: (6 × 5 + 2) - 8
78: ((6 × 5) + 2) - 8
79: 6 × 5 +(2 - 8)
80: (6 × 5) + (2 - 8)
81: 6 × 5 - 8 + 2
82: (6 × 5) - 8 + 2
83: (6 × 5 - 8) + 2
84: ((6 × 5) - 8) + 2
85: 6 × 5 -(8 - 2)
86: (6 × 5) - (8 - 2)
87: 8 × (2 + 6 - 5)
88: 8 × ((2 + 6) - 5)
89: 8 × (2 + (6 - 5))
90: 8 + 2 × 5 + 6
91: (8 + 2 × 5) + 6
92: (8 + (2 × 5)) + 6
93: 8 + (2 × 5) + 6
94: 8 + (2 × 5 + 6)
95: 8 + ((2 × 5) + 6)
96: (8 - 2) × 5 - 6
97: ((8 - 2) × 5) - 6
98: 8 × (2 - 5 + 6)
99: 8 × ((2 - 5) + 6)
100: 8 × (2 - (5 - 6))
101: 8 + 6 + 2 × 5
102: (8 + 6) + 2 × 5
103: 8 + (6 + 2 × 5)
104: 8 + (6 + (2 × 5))
105: 8 + 6 +(2 × 5)
106: (8 + 6) + (2 × 5)
107: 8 × (6 + 2 - 5)
108: 8 × ((6 + 2) - 5)
109: 8 × (6 + (2 - 5))
110: 8 + 6 + 5 × 2
111: (8 + 6) + 5 × 2
112: 8 + (6 + 5 × 2)
113: 8 + (6 + (5 × 2))
114: 8 + 6 +(5 × 2)
115: (8 + 6) + (5 × 2)
116: 8 × (6 - 5 + 2)
117: 8 × ((6 - 5) + 2)
118: 8 × (6 - (5 - 2))
119: 8 + 5 × 2 + 6
120: (8 + 5 × 2) + 6
121: (8 + (5 × 2)) + 6
122: 8 + (5 × 2) + 6
123: 8 + (5 × 2 + 6)
124: 8 + ((5 × 2) + 6)
125: (8 - 5) × (2 + 6)
126: (8 - 5) × (6 + 2)
127: 5 × 2 + 6 + 8
128: (5 × 2) + 6 + 8
129: (5 × 2 + 6) + 8
130: ((5 × 2) + 6) + 8
131: 5 × 2 +(6 + 8)
132: (5 × 2) + (6 + 8)
133: 5 × 2 + 8 + 6
134: (5 × 2) + 8 + 6
135: (5 × 2 + 8) + 6
136: ((5 × 2) + 8) + 6
137: 5 × 2 +(8 + 6)
138: (5 × 2) + (8 + 6)
139: 5 × 6 + 2 - 8
140: (5 × 6) + 2 - 8
141: (5 × 6 + 2) - 8
142: ((5 × 6) + 2) - 8
143: 5 × 6 +(2 - 8)
144: (5 × 6) + (2 - 8)
145: 5 × 6 - 8 + 2
146: (5 × 6) - 8 + 2
147: (5 × 6 - 8) + 2
148: ((5 × 6) - 8) + 2
149: 5 × 6 -(8 - 2)
150: (5 × 6) - (8 - 2)
151: (5 × (8 - 2)) - 6
152: 5 × (8 - 2) - 6