2577
1
=
25
7
−
7
2
=
27
−
7
5
3
=
75
−
72
4
=
27
−
7
5
5
=
77
−
52
6
=
(
75
−
72
)
!
7
=
2
+
5
−
7
+
7
8
=
5
⋅
7
−
27
9
=
7
−
25
+
7
10
=
(
27
−
7
)
⋅
5
11
=
25
−
7
−
7
12
=
(
7
−
5
)
⋅
72
13
=
72
−
7
5
14
=
(
7
−
25
)
⋅
7
15
=
72
−
57
16
=
57
+
7
⋅
2
17
=
77
−
5
!
2
18
=
25
−
7
⋅
7
19
=
25
+
7
+
7
20
=
(
5
−
2
)
!
+
7
+
7
21
=
27
+
5
!
7
22
=
7
⋅
7
−
5
2
23
=
(
7
+
7
)
⋅
2
−
5
24
=
25
−
7
7
25
=
77
−
52
26
=
7
7
+
25
27
=
27
7
−
5
28
=
25
⋅
7
−
7
29
=
27
−
5
+
7
30
=
57
−
27
31
=
(
5
+
7
)
⋅
2
+
7
32
=
57
+
7
2
33
=
(
7
+
7
)
⋅
2
+
5
34
=
75
−
7
2
35
=
25
⋅
7
⋅
7
36
=
72
7
−
5
37
=
72
−
5
⋅
7
38
=
52
−
7
−
7
39
=
25
+
7
+
7
40
=
5
⋅
7
−
2
+
7
41
=
75
+
7
2
42
=
25
⋅
7
+
7
43
=
57
−
2
⋅
7
44
=
7
⋅
7
−
25
45
=
27
⋅
75
46
=
2
5
+
7
+
7
47
=
7
2
+
5
−
7
48
=
75
−
27
49
=
7
7
−
25
50
=
57
2
−
7
51
=
52
−
7
7
52
=
77
−
25
53
=
7
7
+
52
54
=
(
7
−
5
)
⋅
27
55
=
5
!
−
72
+
7
56
=
(
2
+
5
)
⋅
7
+
7
57
=
2
5
+
7
−
7
58
=
(
2
+
7
)
⋅
7
−
5
59
=
7
⋅
7
+
52
60
=
72
−
5
−
7
61
=
75
−
2
⋅
7
62
=
5
⋅
7
+
27
63
=
(
7
−
2
)
!
−
57
64
=
57
2
+
7
65
=
7
!
72
−
5
66
=
52
+
7
+
7
67
=
77
−
2
⋅
5
68
=
75
2
−
7
69
=
27
⋅
7
−
5
!
70
=
72
+
5
−
7
71
=
2
⋅
7
+
57
72
=
77
−
25
73
=
5
!
−
(
7
⋅
7
−
2
)
74
=
7
⋅
7
+
25
75
=
7
!
72
+
5
76
=
(
7
+
7
)
2
−
5
!
77
=
2
⋅
5
⋅
7
+
7
78
=
2
+
7
+
75
79
=
?
80
=
75
−
2
+
7
81
=
(
7
−
5
+
7
)
2
82
=
25
+
77
83
=
(
5
−
2
)
!
+
77
84
=
27
+
57
85
=
5
!
−
(
7
−
2
)
⋅
7
86
=
5
!
−
27
−
7
87
=
2
⋅
5
+
77
88
=
(
7
⋅
7
−
5
)
⋅
2
89
=
2
⋅
7
+
75
90
=
?
91
=
(
(
5
−
2
)
!
+
7
)
⋅
7
92
=
5
!
−
(
7
+
7
)
⋅
2
93
=
2
⋅
7
⋅
7
−
5
94
=
?
95
=
?
96
=
5
!
−
(
7
−
2
+
7
)
!
97
=
?
98
=
(
2
+
5
+
7
)
⋅
7
99
=
5
!
−
2
⋅
7
−
7
100
=
(
27
−
7
)
⋅
5