算24点,要求写出算式：1,2,5,7还有2,3,5,5,运用乘方,加减乘除运算

算24点,要求写出算式：1,2,5,7还有2,3,5,5,运用乘方,加减乘除运算
算24点,要求写出算式：1,2,5,7还有2,3,5,5,运用乘方,加减乘除运算

算24点,要求写出算式：1,2,5,7还有2,3,5,5,运用乘方,加减乘除运算
(1×(2×(5+7)))
((1×2)×(5+7))
(1×(2×(7+5)))
((1×2)×(7+5))
((5-2)×(5+3))
((5-(2-5))×3)
(((5-2)+5)×3)
((5-2)×(3+5))

(5+5-2)*3

1: 1 × (2 × (5 + 7))
2: 1 × 2 ×(5 + 7)
3: (1 × 2) × (5 + 7)
4: 1 × (2 × (7 + 5))
5: 1 × 2 ×(7 + 5)
6: (1 × 2) × (7 + 5)
7: (1 × 5 + 7) × 2
8: ((1 × 5) + 7) × 2
...

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1: 1 × (2 × (5 + 7))
2: 1 × 2 ×(5 + 7)
3: (1 × 2) × (5 + 7)
4: 1 × (2 × (7 + 5))
5: 1 × 2 ×(7 + 5)
6: (1 × 2) × (7 + 5)
7: (1 × 5 + 7) × 2
8: ((1 × 5) + 7) × 2
9: (1 × (5 + 7)) × 2
10: 1 × (5 + 7) × 2
11: 1 × ((5 + 7) × 2)
12: (1 + 7) × (5 - 2)
13: (1 × 7 + 5) × 2
14: ((1 × 7) + 5) × 2
15: (1 × (7 + 5)) × 2
16: 1 × (7 + 5) × 2
17: 1 × ((7 + 5) × 2)
18: 2 × (1 × 5 + 7)
19: 2 × ((1 × 5) + 7)
20: 2 × (1 × (5 + 7))
21: 2 × 1 ×(5 + 7)
22: (2 × 1) × (5 + 7)
23: 2 ÷ 1 ×(5 + 7)
24: (2 ÷ 1) × (5 + 7)
25: 2 ÷ (1 ÷ (5 + 7))
26: 2 × (1 × 7 + 5)
27: 2 × ((1 × 7) + 5)
28: 2 × (1 × (7 + 5))
29: 2 × 1 ×(7 + 5)
30: (2 × 1) × (7 + 5)
31: 2 ÷ 1 ×(7 + 5)
32: (2 ÷ 1) × (7 + 5)
33: 2 ÷ (1 ÷ (7 + 5))
34: 2 × (5 + 1 × 7)
35: 2 × (5 + (1 × 7))
36: 2 × (5 × 1 + 7)
37: 2 × ((5 × 1) + 7)
38: 2 × (5 ÷ 1 + 7)
39: 2 × ((5 ÷ 1) + 7)
40: (2 × (5 + 7)) × 1
41: 2 × (5 + 7) × 1
42: 2 × (5 + 7 × 1)
43: 2 × ((5 + 7) × 1)
44: 2 × (5 + (7 × 1))
45: (2 × (5 + 7)) ÷ 1
46: 2 × (5 + 7) ÷ 1
47: 2 × (5 + 7 ÷ 1)
48: 2 × ((5 + 7) ÷ 1)
49: 2 × (5 + (7 ÷ 1))
50: 2 × (7 + 1 × 5)
51: 2 × (7 + (1 × 5))
52: 2 × (7 × 1 + 5)
53: 2 × ((7 × 1) + 5)
54: 2 × (7 ÷ 1 + 5)
55: 2 × ((7 ÷ 1) + 5)
56: (2 × (7 + 5)) × 1
57: 2 × (7 + 5) × 1
58: 2 × (7 + 5 × 1)
59: 2 × ((7 + 5) × 1)
60: 2 × (7 + (5 × 1))
61: (2 × (7 + 5)) ÷ 1
62: 2 × (7 + 5) ÷ 1
63: 2 × (7 + 5 ÷ 1)
64: 2 × ((7 + 5) ÷ 1)
65: 2 × (7 + (5 ÷ 1))
66: (5 + 1 × 7) × 2
67: (5 + (1 × 7)) × 2
68: (5 × 1 + 7) × 2
69: ((5 × 1) + 7) × 2
70: (5 ÷ 1 + 7) × 2
71: ((5 ÷ 1) + 7) × 2
72: (5 - 2) × (1 + 7)
73: (5 - 2) × (7 + 1)
74: (5 + 7) × 1 × 2
75: (5 + 7 × 1) × 2
76: ((5 + 7) × 1) × 2
77: (5 + (7 × 1)) × 2
78: (5 + 7) × (1 × 2)
79: (5 + 7) ÷ 1 × 2
80: (5 + 7 ÷ 1) × 2
81: ((5 + 7) ÷ 1) × 2
82: (5 + (7 ÷ 1)) × 2
83: (5 + 7) ÷ (1 ÷ 2)
84: (5 + 7) × 2 × 1
85: ((5 + 7) × 2) × 1
86: (5 + 7) × (2 × 1)
87: (5 + 7) × 2 ÷ 1
88: ((5 + 7) × 2) ÷ 1
89: (5 + 7) × (2 ÷ 1)
90: (5 × (7 - 2)) - 1
91: 5 × (7 - 2) - 1
92: (7 + 1) × (5 - 2)
93: (7 + 1 × 5) × 2
94: (7 + (1 × 5)) × 2
95: (7 × 1 + 5) × 2
96: ((7 × 1) + 5) × 2
97: (7 ÷ 1 + 5) × 2
98: ((7 ÷ 1) + 5) × 2
99: (7 - 2) × 5 - 1
100: ((7 - 2) × 5) - 1
101: (7 + 5) × 1 × 2
102: (7 + 5 × 1) × 2
103: ((7 + 5) × 1) × 2
104: (7 + (5 × 1)) × 2
105: (7 + 5) × (1 × 2)
106: (7 + 5) ÷ 1 × 2
107: (7 + 5 ÷ 1) × 2
108: ((7 + 5) ÷ 1) × 2
109: (7 + (5 ÷ 1)) × 2
110: (7 + 5) ÷ (1 ÷ 2)
111: (7 + 5) × 2 × 1
112: ((7 + 5) × 2) × 1
113: (7 + 5) × (2 × 1)
114: (7 + 5) × 2 ÷ 1
115: ((7 + 5) × 2) ÷ 1
116: (7 + 5) × (2 ÷ 1)
1: 3 × (5 - 2 + 5)
2: 3 × ((5 - 2) + 5)
3: 3 × (5 - (2 - 5))
4: (3 + 5) × (5 - 2)
5: 3 × (5 + 5 - 2)
6: 3 × ((5 + 5) - 2)
7: 3 × (5 + (5 - 2))
8: 2 - 3 + 5 × 5
9: (2 - 3) + 5 × 5
10: 2 - 3 +(5 × 5)
11: (2 - 3) + (5 × 5)
12: 2 - (3 - 5 × 5)
13: 2 - (3 - (5 × 5))
14: 2 + 5 × 5 - 3
15: (2 + 5 × 5) - 3
16: (2 + (5 × 5)) - 3
17: 2 + (5 × 5) - 3
18: 2 + (5 × 5 - 3)
19: 2 + ((5 × 5) - 3)
20: (5 + 3) × (5 - 2)
21: (5 - 2) × (3 + 5)
22: (5 - 2 + 5) × 3
23: ((5 - 2) + 5) × 3
24: (5 - (2 - 5)) × 3
25: (5 - 2) × (5 + 3)
26: 5 × 5 - 3 + 2
27: (5 × 5) - 3 + 2
28: (5 × 5 - 3) + 2
29: ((5 × 5) - 3) + 2
30: 5 × 5 -(3 - 2)
31: (5 × 5) - (3 - 2)
32: (5 + 5 - 2) × 3
33: ((5 + 5) - 2) × 3
34: (5 + (5 - 2)) × 3
35: 5 × 5 + 2 - 3
36: (5 × 5) + 2 - 3
37: (5 × 5 + 2) - 3
38: ((5 × 5) + 2) - 3
39: 5 × 5 +(2 - 3)
40: (5 × 5) + (2 - 3)

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（1＋7）＊（5－2）＝24，（5＋5－2）＊3＝24