4577
1
=
75
−
74
2
=
7
⋅
7
−
45
3
=
5
!
47
−
7
4
=
7
⋅
7
−
45
5
=
54
−
7
⋅
7
6
=
47
−
5
7
7
=
47
−
5
+
7
8
=
47
−
7
5
9
=
4
+
5
−
7
+
7
10
=
57
−
47
11
=
75
+
4
7
12
=
47
−
5
⋅
7
13
=
7
−
(
5
−
4
)
+
7
14
=
74
+
7
+
5
15
=
(
7
−
4
)
⋅
75
16
=
57
+
7
4
17
=
74
−
57
18
=
77
−
5
4
19
=
57
7
−
4
20
=
4
⋅
5
−
7
+
7
21
=
5
+
7
4
⋅
7
22
=
(
7
−
4
)
⋅
5
+
7
23
=
77
−
54
24
=
(
7
⋅
7
−
45
)
!
25
=
75
7
−
4
26
=
57
−
4
!
−
7
27
=
4
7
+
7
5
28
=
75
−
47
29
=
57
−
4
⋅
7
30
=
4
⋅
7
−
5
+
7
31
=
45
−
7
−
7
32
=
77
−
45
33
=
4
!
−
5
+
7
+
7
34
=
75
−
7
4
35
=
47
−
5
−
7
36
=
77
−
5
4
37
=
74
7
−
5
38
=
45
−
7
⋅
7
39
=
74
−
5
⋅
7
40
=
54
−
7
−
7
41
=
75
+
7
4
42
=
(
7
−
(
5
−
4
)
)
⋅
7
43
=
57
−
4
⋅
7
44
=
45
−
7
7
45
=
45
−
7
+
7
46
=
7
7
+
45
47
=
75
−
4
⋅
7
48
=
57
−
4
−
7
49
=
47
−
5
+
7
50
=
(
7
−
4
+
7
)
⋅
5
51
=
57
−
(
7
−
4
)
!
52
=
7
⋅
7
+
45
53
=
54
−
7
7
54
=
54
−
7
+
7
55
=
7
7
+
54
56
=
(
5
−
4
+
7
)
⋅
7
57
=
77
−
4
⋅
5
58
=
75
−
4
!
+
7
59
=
45
+
7
+
7
60
=
57
−
4
+
7
61
=
7
⋅
7
+
54
62
=
74
−
5
−
7
63
=
(
7
−
4
)
!
+
57
64
=
75
−
4
−
7
65
=
(
(
7
−
4
)
!
+
7
)
⋅
5
66
=
5
!
−
47
−
7
67
=
77
−
4
⋅
5
68
=
54
+
7
+
7
69
=
75
−
(
7
−
4
)
!
70
=
75
+
4
−
7
71
=
4
⋅
7
+
57
72
=
74
+
5
−
7
73
=
7
7
−
5
+
4
!
74
=
57
+
4
!
−
7
75
=
5
!
−
(
7
⋅
7
−
4
)
76
=
74
−
5
+
7
77
=
(
5
−
4
)
⋅
77
78
=
75
−
4
+
7
79
=
5
!
4
+
7
⋅
7
80
=
5
!
−
47
+
7
81
=
(
7
−
4
)
!
+
75
82
=
574
7
83
=
(
5
−
4
)
!
+
77
84
=
75
+
4
+
7
85
=
4
⋅
7
+
57
86
=
74
+
5
+
7
87
=
4
⋅
5
+
77
88
=
57
+
4
!
+
7
89
=
4
⋅
7
+
75
90
=
(
4
+
7
+
7
)
⋅
5
91
=
(
4
⋅
5
−
7
)
⋅
7
92
=
75
+
4
!
−
7
93
=
4
!
⋅
7
−
75
94
=
7
⋅
7
+
45
95
=
7
!
7
−
5
4
96
=
77
+
4
!
−
5
97
=
4
⋅
5
+
77
98
=
(
4
+
5
+
7
)
⋅
7
99
=
5
!
−
4
⋅
7
+
7
100
=
(
57
−
7
)
⋅
4