有一次，小明在做24点游戏时抽到的四张牌分别是3，-4，1，7，请写出一个算式——=24

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

(4-1)*7+3本回答被提问者采纳

3脳7-(-4)+1=24

3*7-1-(-4)

3+1-(-4)*7=24