2557
1
=
27
5
−
5
2
=
7
−
25
5
3
=
75
25
4
=
7
−
(
5
5
+
2
)
5
=
57
−
52
6
=
(
75
25
)
!
7
=
25
−
5
+
7
8
=
25
5
+
7
9
=
52
−
7
5
10
=
25
+
75
11
=
55
7
−
2
12
=
25
5
+
7
13
=
25
−
5
−
7
14
=
(
5
−
(
5
−
2
)
)
⋅
7
15
=
75
25
16
=
5
⋅
5
−
2
−
7
17
=
72
−
55
18
=
25
⋅
5
−
7
19
=
57
5
−
2
20
=
2
5
−
5
−
7
21
=
(
5
5
+
2
)
⋅
7
22
=
27
−
5
⋅
5
23
=
75
−
52
24
=
55
−
7
2
25
=
57
−
2
5
26
=
27
−
5
5
27
=
25
−
5
+
7
28
=
55
−
27
29
=
(
5
+
7
)
⋅
2
+
5
30
=
75
⋅
2
5
31
=
55
+
7
2
32
=
57
−
25
33
=
5
!
5
+
2
+
7
34
=
2
5
−
5
+
7
35
=
25
5
⋅
7
36
=
(
7
−
5
5
)
2
37
=
25
+
5
+
7
38
=
5
⋅
7
−
2
+
5
39
=
7
2
−
5
−
5
40
=
52
−
5
−
7
41
=
55
−
2
⋅
7
42
=
(
2
+
5
)
⋅
5
+
7
43
=
75
−
2
5
44
=
2
5
+
5
+
7
45
=
25
!
−
75
46
=
55
−
2
−
7
47
=
57
−
2
⋅
5
48
=
55
2
−
7
49
=
7
5
−
(
5
−
2
)
50
=
75
−
25
51
=
5
!
5
+
27
52
=
57
−
25
53
=
5
!
−
72
+
5
54
=
52
−
5
+
7
55
=
275
5
56
=
(
5
−
2
+
5
)
⋅
7
57
=
2
⋅
5
⋅
5
+
7
58
=
2
+
7
+
55
59
=
7
2
+
5
+
5
60
=
5
⋅
7
+
25
61
=
5
!
−
52
−
7
62
=
25
+
57
63
=
25
!
−
57
64
=
52
+
5
+
7
65
=
75
−
2
⋅
5
66
=
5
!
−
(
7
2
+
5
)
67
=
2
⋅
5
+
57
68
=
75
−
2
−
5
69
=
2
⋅
7
+
55
70
=
75
−
25
71
=
72
−
5
5
72
=
72
−
5
+
5
73
=
2
7
−
55
74
=
7
2
+
5
⋅
5
75
=
525
7
76
=
5
!
−
(
7
2
−
5
)
77
=
5
⋅
5
+
72
78
=
75
−
2
+
5
79
=
7
!
5
!
2
−
5
80
=
25
+
75
81
=
(
5
−
2
)
!
+
75
82
=
25
+
57
83
=
5
!
−
(
5
⋅
7
+
2
)
84
=
(
2
+
5
+
5
)
⋅
7
85
=
2
⋅
5
+
75
86
=
5
⋅
5
!
+
2
7
87
=
5
⋅
7
+
52
88
=
5
!
−
25
−
7
89
=
2
5
+
57
90
=
(
25
−
7
)
⋅
5
91
=
?
92
=
?
93
=
(
5
+
5
)
2
−
7
94
=
7
!
5
!
+
52
95
=
(
2
⋅
7
+
5
)
⋅
5
96
=
(
55
−
7
)
⋅
2
97
=
5
⋅
5
+
72
98
=
5
!
−
(
27
−
5
)
99
=
5
!
−
(
5
−
2
)
⋅
7
100
=
25
+
75