第1个回答 2009-06-10
难题:1, 11, 13, 12
答案:1: (1 × 13 - 11) × 12
2: ((1 × 13) - 11) × 12
3: (1 × (13 - 11)) × 12
4: 1 × (13 - 11) × 12
5: 1 × ((13 - 11) × 12)
6: 1 ÷ 12 + 11 + 13
7: (1 ÷ 12) + 11 + 13
8: (1 ÷ 12 + 11) + 13
9: ((1 ÷ 12) + 11) + 13
10: 1 ÷ 12 +(11 + 13)
11: (1 ÷ 12) + (11 + 13)
12: 1 × (12 × (13 - 11))
13: 1 × 12 ×(13 - 11)
14: (1 × 12) × (13 - 11)
15: 1 ÷ 12 + 13 + 11
16: (1 ÷ 12) + 13 + 11
17: (1 ÷ 12 + 13) + 11
18: ((1 ÷ 12) + 13) + 11
19: 1 ÷ 12 +(13 + 11)
20: (1 ÷ 12) + (13 + 11)
21: 11 + 1 ÷ 12 + 13
22: (11 + 1 ÷ 12) + 13
23: (11 + (1 ÷ 12)) + 13
24: 11 + (1 ÷ 12) + 13
25: 11 + (1 ÷ 12 + 13)
26: 11 + ((1 ÷ 12) + 13)
27: 11 - 1 ÷ 12 + 13
28: (11 - 1 ÷ 12) + 13
29: (11 - (1 ÷ 12)) + 13
30: 11 - (1 ÷ 12) + 13
31: 11 - (1 ÷ 12 - 13)
32: 11 - ((1 ÷ 12) - 13)
33: 11 + 13 + 1 ÷ 12
34: (11 + 13) + 1 ÷ 12
35: 11 + (13 + 1 ÷ 12)
36: 11 + (13 + (1 ÷ 12))
37: 11 + 13 +(1 ÷ 12)
38: (11 + 13) + (1 ÷ 12)
39: 11 + 13 - 1 ÷ 12
40: (11 + 13) - 1 ÷ 12
41: 11 + (13 - 1 ÷ 12)
42: 11 + (13 - (1 ÷ 12))
43: 11 + 13 -(1 ÷ 12)
44: (11 + 13) - (1 ÷ 12)
45: (13 - 1 × 11) × 12
46: (13 - (1 × 11)) × 12
47: (13 × 1 - 11) × 12
48: ((13 × 1) - 11) × 12
49: (13 ÷ 1 - 11) × 12
50: ((13 ÷ 1) - 11) × 12
51: 13 + 1 ÷ 12 + 11
52: (13 + 1 ÷ 12) + 11
53: (13 + (1 ÷ 12)) + 11
54: 13 + (1 ÷ 12) + 11
55: 13 + (1 ÷ 12 + 11)
56: 13 + ((1 ÷ 12) + 11)
57: 13 - 1 ÷ 12 + 11
58: (13 - 1 ÷ 12) + 11
59: (13 - (1 ÷ 12)) + 11
60: 13 - (1 ÷ 12) + 11
61: 13 - (1 ÷ 12 - 11)
62: 13 - ((1 ÷ 12) - 11)
63: 13 + 11 + 1 ÷ 12
64: (13 + 11) + 1 ÷ 12
65: 13 + (11 + 1 ÷ 12)
66: 13 + (11 + (1 ÷ 12))
67: 13 + 11 +(1 ÷ 12)
68: (13 + 11) + (1 ÷ 12)
69: 13 + 11 - 1 ÷ 12
70: (13 + 11) - 1 ÷ 12
71: 13 + (11 - 1 ÷ 12)
72: 13 + (11 - (1 ÷ 12))
73: 13 + 11 -(1 ÷ 12)
74: (13 + 11) - (1 ÷ 12)
75: (13 - 11) × 1 × 12
76: (13 - 11 × 1) × 12
77: ((13 - 11) × 1) × 12
78: (13 - (11 × 1)) × 12
79: (13 - 11) × (1 × 12)
80: (13 - 11) ÷ 1 × 12
81: (13 - 11 ÷ 1) × 12
82: ((13 - 11) ÷ 1) × 12
83: (13 - (11 ÷ 1)) × 12
84: (13 - 11) ÷ (1 ÷ 12)
85: (13 - 11) × 12 × 1
86: ((13 - 11) × 12) × 1
87: (13 - 11) × (12 × 1)
88: (13 - 11) × 12 ÷ 1
89: ((13 - 11) × 12) ÷ 1
90: (13 - 11) × (12 ÷ 1)
91: 12 × (1 × 13 - 11)
92: 12 × ((1 × 13) - 11)
93: 12 × (1 × (13 - 11))
94: 12 × 1 ×(13 - 11)
95: (12 × 1) × (13 - 11)
96: 12 ÷ 1 ×(13 - 11)
97: (12 ÷ 1) × (13 - 11)
98: 12 ÷ (1 ÷ (13 - 11))
99: 12 × (13 - 1 × 11)
100: 12 × (13 - (1 × 11))
101: 12 × (13 × 1 - 11)
102: 12 × ((13 × 1) - 11)
103: 12 × (13 ÷ 1 - 11)
104: 12 × ((13 ÷ 1) - 11)
105: (12 × (13 - 11)) × 1
106: 12 × (13 - 11) × 1
107: 12 × (13 - 11 × 1)
108: 12 × ((13 - 11) × 1)
109: 12 × (13 - (11 × 1))
110: (12 × (13 - 11)) ÷ 1
111: 12 × (13 - 11) ÷ 1
112: 12 × (13 - 11 ÷ 1)
113: 12 × ((13 - 11) ÷ 1)
114: 12 × (13 - (11 ÷ 1))本回答被提问者采纳