巧算24点

1:(2 + 5 ÷ 5) × 8
2:(2 + (5 ÷ 5)) × 8
3:(5 ÷ 5 + 2) × 8
4:((5 ÷ 5) + 2) × 8
5:8 × (2 + 5 ÷ 5)
6:8 × (2 + (5 ÷ 5))
7:8 × (5 ÷ 5 + 2)
8:8 × ((5 ÷ 5) + 2)
1:7 - 1 + 9 + 9
2:(7 - 1) + 9 + 9
3:(7 - 1 + 9) + 9
4:((7 - 1) + 9) + 9
5:7 - 1 +(9 + 9)
6:(7 - 1) + (9 + 9)
7:(7 - (1 - 9)) + 9
8:7 - (1 - 9) + 9
9:7 - (1 - (9 + 9))
10:7 - (1 - 9 - 9)
11:7 - ((1 - 9) - 9)
12:7 + 9 - 1 + 9
13:(7 + 9) - 1 + 9
14:(7 + 9 - 1) + 9
15:((7 + 9) - 1) + 9
16:(7 + (9 - 1)) + 9
17:7 + (9 - 1) + 9
18:7 + (9 - 1 + 9)
19:7 + ((9 - 1) + 9)
20:7 + (9 - (1 - 9))
21:7 + 9 -(1 - 9)
22:(7 + 9) - (1 - 9)
23:7 + 9 + 9 - 1
24:(7 + 9) + 9 - 1
25:(7 + 9 + 9) - 1
26:((7 + 9) + 9) - 1
27:(7 + (9 + 9)) - 1
28:7 + (9 + 9) - 1
29:7 + (9 + 9 - 1)
30:7 + ((9 + 9) - 1)
31:7 + (9 + (9 - 1))
32:7 + 9 +(9 - 1)
33:(7 + 9) + (9 - 1)
34:9 - 1 + 7 + 9
35:(9 - 1) + 7 + 9
36:(9 - 1 + 7) + 9
37:((9 - 1) + 7) + 9
38:9 - 1 +(7 + 9)
39:(9 - 1) + (7 + 9)
40:(9 - (1 - 7)) + 9
41:9 - (1 - 7) + 9
42:9 - (1 - (7 + 9))
43:9 - (1 - 7 - 9)
44:9 - ((1 - 7) - 9)
45:9 - 1 + 9 + 7
46:(9 - 1) + 9 + 7
47:(9 - 1 + 9) + 7
48:((9 - 1) + 9) + 7
49:9 - 1 +(9 + 7)
50:(9 - 1) + (9 + 7)
51:(9 - (1 - 9)) + 7
52:9 - (1 - 9) + 7
53:9 - (1 - (9 + 7))
54:9 - (1 - 9 - 7)
55:9 - ((1 - 9) - 7)
56:9 + 7 - 1 + 9
57:(9 + 7) - 1 + 9
58:(9 + 7 - 1) + 9
59:((9 + 7) - 1) + 9
60:(9 + (7 - 1)) + 9
61:9 + (7 - 1) + 9
62:9 + (7 - 1 + 9)
63:9 + ((7 - 1) + 9)
64:9 + (7 - (1 - 9))
65:9 + 7 -(1 - 9)
66:(9 + 7) - (1 - 9)
67:9 + 7 + 9 - 1
68:(9 + 7) + 9 - 1
69:(9 + 7 + 9) - 1
70:((9 + 7) + 9) - 1
71:(9 + (7 + 9)) - 1
72:9 + (7 + 9) - 1
73:9 + (7 + 9 - 1)
74:9 + ((7 + 9) - 1)
75:9 + (7 + (9 - 1))
76:9 + 7 +(9 - 1)
77:(9 + 7) + (9 - 1)
78:9 + 9 - 1 + 7
79:(9 + 9) - 1 + 7
80:(9 + 9 - 1) + 7
81:((9 + 9) - 1) + 7
82:(9 + (9 - 1)) + 7
83:9 + (9 - 1) + 7
84:9 + (9 - 1 + 7)
85:9 + ((9 - 1) + 7)
86:9 + (9 - (1 - 7))
87:9 + 9 -(1 - 7)
88:(9 + 9) - (1 - 7)
89:9 + 9 + 7 - 1
90:(9 + 9) + 7 - 1
91:(9 + 9 + 7) - 1
92:((9 + 9) + 7) - 1
93:(9 + (9 + 7)) - 1
94:9 + (9 + 7) - 1
95:9 + (9 + 7 - 1)
96:9 + ((9 + 7) - 1)
97:9 + (9 + (7 - 1))
98:9 + 9 +(7 - 1)
99:(9 + 9) + (7 - 1)