5778
1
=
57
−
7
⋅
8
2
=
8
5
−
7
7
3
=
78
−
75
4
=
87
−
7
5
5
=
75
7
+
8
6
=
(
78
−
75
)
!
7
=
57
−
8
7
8
=
85
−
77
9
=
58
−
7
⋅
7
10
=
7
+
8
5
+
7
11
=
5
+
7
+
7
−
8
12
=
87
−
75
13
=
7
−
(
7
−
5
)
+
8
14
=
57
−
8
+
7
15
=
(
7
−
(
7
−
5
)
)
!
8
16
=
87
−
7
5
17
=
77
+
8
5
18
=
7
!
5
⋅
7
8
19
=
77
−
58
20
=
(
57
−
7
)
⋅
8
21
=
78
−
57
22
=
(
7
−
5
)
⋅
7
+
8
23
=
(
7
−
5
)
⋅
8
+
7
24
=
(
77
−
5
)
⋅
8
25
=
(
7
−
(
7
−
5
)
)
8
26
=
5
!
−
87
−
7
27
=
5
+
7
+
7
+
8
28
=
8
7
−
5
⋅
7
29
=
5
!
8
+
7
+
7
30
=
87
−
57
31
=
(
8
7
−
5
)
!
+
7
32
=
(
5
−
7
7
)
⋅
8
33
=
5
⋅
8
−
7
⋅
7
34
=
5
⋅
7
+
7
−
8
35
=
5
!
−
77
−
8
36
=
85
−
7
⋅
7
37
=
77
−
5
⋅
8
38
=
7
!
5
!
−
8
−
7
39
=
78
7
−
5
40
=
5
!
−
87
+
7
41
=
7
7
−
5
−
8
42
=
57
−
7
−
8
43
=
78
−
5
⋅
7
44
=
58
−
7
−
7
45
=
(
7
7
+
8
)
⋅
5
46
=
7
⋅
7
+
5
−
8
47
=
5
⋅
8
+
7
⋅
7
48
=
(
7
7
+
5
)
⋅
8
49
=
57
−
8
⋅
7
50
=
5
⋅
7
+
7
+
8
51
=
58
−
7
⋅
7
52
=
87
−
5
⋅
7
53
=
?
54
=
5
⋅
8
+
7
+
7
55
=
(
8
−
5
)
!
+
7
⋅
7
56
=
57
+
7
−
8
57
=
(
8
−
7
)
⋅
57
58
=
57
−
7
+
8
59
=
7
7
+
58
60
=
75
−
7
−
8
61
=
7
⋅
7
⋅
8
+
5
62
=
77
−
5
!
8
63
=
5
!
−
7
⋅
7
−
8
64
=
77
−
5
−
8
65
=
7
⋅
7
+
58
66
=
78
−
5
−
7
67
=
75
−
8
!
7
!
68
=
7
⋅
8
+
5
+
7
69
=
?
70
=
(
7
−
5
+
8
)
⋅
7
71
=
85
−
7
−
7
72
=
57
+
7
+
8
73
=
?
74
=
75
+
7
−
8
75
=
(
8
−
7
)
⋅
75
76
=
75
−
7
+
8
77
=
5
!
−
7
+
8
⋅
7
78
=
78
7
−
5
79
=
5
!
−
7
⋅
7
+
8
80
=
77
−
5
+
8
81
=
7
−
5
+
7
8
82
=
(
7
+
8
)
⋅
5
+
7
83
=
(
8
−
5
)
!
+
77
84
=
85
−
7
7
85
=
85
−
7
+
7
86
=
7
7
+
85
87
=
87
7
−
5
88
=
7
7
+
5
!
⋅
8
89
=
87
−
5
+
7
90
=
75
+
7
+
8
91
=
5
⋅
7
+
7
⋅
8
92
=
5
!
8
+
77
93
=
?
94
=
?
95
=
7
!
7
8
+
5
96
=
(
7
⋅
7
+
5
)
⋅
8
97
=
?
98
=
(
5
+
8
)
⋅
7
+
7
99
=
85
+
7
+
7
100
=
(
7
+
8
)
⋅
7
−
5