5577
1
=
57
57
2
=
5
5
+
7
7
3
=
57
+
7
−
5
4
=
7
−
(
5
+
5
−
7
)
5
=
(
7
−
7
)
⋅
5
+
5
6
=
55
−
7
⋅
7
7
=
(
5
−
5
)
⋅
7
+
7
8
=
75
5
−
7
9
=
5
!
−
57
7
10
=
57
−
7
5
11
=
5
⋅
5
−
7
−
7
12
=
5
7
−
5
+
7
13
=
57
+
7
+
5
14
=
5
−
5
+
7
+
7
15
=
5
5
+
7
+
7
16
=
7
7
+
5
!
+
5
17
=
(
7
−
5
)
⋅
5
+
7
18
=
75
−
57
19
=
(
7
−
5
)
⋅
7
+
5
20
=
(
5
−
7
7
)
⋅
5
21
=
(
5
+
5
−
7
)
⋅
7
22
=
77
−
55
23
=
5
⋅
7
−
5
−
7
24
=
5
+
5
+
7
+
7
25
=
5
⋅
5
−
7
+
7
26
=
5
⋅
5
+
7
7
27
=
?
28
=
5
⋅
5
⋅
7
−
7
29
=
(
5
−
7
7
)
!
+
5
30
=
(
5
+
7
)
⋅
75
31
=
5
!
5
+
7
⋅
7
32
=
5
7
−
5
+
7
33
=
5
⋅
7
+
5
−
7
34
=
7
!
−
5
!
5
!
−
7
35
=
5
7
−
5
⋅
7
36
=
5
!
−
(
5
+
7
)
⋅
7
37
=
5
⋅
7
−
5
+
7
38
=
5
!
−
75
−
7
39
=
5
⋅
5
+
7
+
7
40
=
75
−
5
⋅
7
41
=
55
−
7
−
7
42
=
(
7
−
5
5
)
⋅
7
43
=
5
⋅
5
!
−
77
44
=
7
7
−
5
−
5
45
=
57
−
5
−
7
46
=
?
47
=
5
⋅
7
+
5
+
7
48
=
55
−
7
⋅
7
49
=
(
5
−
5
+
7
)
⋅
7
50
=
5
5
+
7
⋅
7
51
=
?
52
=
77
−
5
⋅
5
53
=
77
−
5
!
5
54
=
55
−
7
7
55
=
55
−
7
+
7
56
=
7
7
+
55
57
=
57
⋅
57
58
=
?
59
=
57
−
5
+
7
60
=
(
7
⋅
7
+
5
)
⋅
5
61
=
?
62
=
7
⋅
7
+
55
63
=
75
−
5
−
7
64
=
(
7
−
5
)
5
+
7
65
=
(
7
+
7
)
⋅
5
−
5
66
=
5
!
−
(
7
⋅
7
+
5
)
67
=
77
−
5
−
5
68
=
?
69
=
55
+
7
+
7
70
=
5
!
−
57
+
7
71
=
5
!
−
7
7
−
5
72
=
7
!
75
−
5
73
=
75
+
5
−
7
74
=
5
⋅
5
+
7
⋅
7
75
=
75
⋅
75
76
=
77
−
5
5
77
=
75
−
5
+
7
78
=
5
5
+
77
79
=
(
5
+
7
)
⋅
7
−
5
80
=
7
!
5
!
−
57
81
=
?
82
=
5
⋅
5
+
77
83
=
7
!
−
5
!
+
7
!
5
!
84
=
(
5
⋅
5
+
7
)
⋅
7
85
=
5
!
−
7
⋅
7
⋅
5
86
=
?
87
=
75
+
5
+
7
88
=
?
89
=
(
5
+
7
)
⋅
7
+
5
90
=
?
91
=
?
92
=
5
⋅
7
+
57
93
=
?
94
=
?
95
=
(
5
+
7
+
7
)
⋅
5
96
=
5
!
−
(
5
−
7
7
)
!
97
=
?
98
=
?
99
=
7
!
5
!
+
57
100
=
?