6779
1
=
69
7
−
7
2
=
67
−
7
⋅
9
3
=
79
−
76
4
=
67
−
7
⋅
9
5
=
(
9
−
7
)
⋅
6
−
7
6
=
(
79
−
76
)
!
7
=
(
7
−
6
)
9
⋅
7
8
=
77
−
69
9
=
(
7
−
7
)
⋅
6
+
9
10
=
67
+
9
7
11
=
6
⋅
7
+
79
12
=
79
−
67
13
=
76
−
7
⋅
9
14
=
6
−
7
7
+
9
15
=
97
−
7
6
16
=
(
7
−
6
)
⋅
7
+
9
17
=
7
−
6
+
7
+
9
18
=
(
7
−
(
7
−
6
)
)
⋅
9
19
=
96
−
77
20
=
69
−
7
⋅
7
21
=
97
−
76
22
=
7
!
9
−
76
23
=
77
−
6
⋅
9
24
=
(
67
−
7
⋅
9
)
!
25
=
67
−
7
⋅
9
!
26
=
6
⋅
7
−
7
−
9
27
=
6
!
−
77
⋅
9
28
=
(
6
+
7
−
9
)
⋅
7
29
=
6
+
7
+
7
+
9
30
=
97
−
67
31
=
(
6
+
7
−
9
)
!
+
7
32
=
6
⋅
7
−
7
−
9
33
=
7
⋅
7
⋅
6
−
9
34
=
7
⋅
7
−
6
−
9
35
=
(
7
−
6
9
)
⋅
7
36
=
6
9
−
7
7
37
=
79
−
6
⋅
7
38
=
76
9
−
7
39
=
(
7
⋅
7
+
6
)
⋅
9
40
=
6
⋅
7
+
7
−
9
41
=
6
!
−
97
⋅
7
42
=
(
9
−
6
)
⋅
(
7
+
7
)
43
=
9
!
!
−
677
44
=
6
⋅
7
−
7
+
9
45
=
(
6
−
7
7
)
⋅
9
46
=
67
−
7
⋅
9
47
=
96
−
7
⋅
7
48
=
(
9
−
7
7
)
⋅
6
49
=
7
9
−
6
7
50
=
7
⋅
9
−
6
−
7
51
=
67
−
7
−
9
52
=
7
⋅
7
−
6
+
9
53
=
6
⋅
9
−
7
7
54
=
(
7
−
(
7
−
6
)
)
⋅
9
55
=
69
−
7
−
7
56
=
776
−
9
!
!
57
=
67
−
7
−
9
58
=
6
⋅
7
+
7
+
9
59
=
779
−
6
!
60
=
76
−
7
−
9
61
=
6
⋅
9
+
7
⋅
7
62
=
77
−
6
−
9
63
=
67
−
7
+
9
64
=
7
⋅
7
+
6
+
9
65
=
67
+
7
−
9
66
=
79
−
6
−
7
67
=
67
9
−
7
68
=
69
−
7
7
69
=
67
−
7
+
9
70
=
7
7
+
69
71
=
67
+
7
−
9
72
=
76
−
7
+
9
73
=
9
!
7
!
−
6
+
7
74
=
76
+
7
−
9
75
=
77
−
6
9
76
=
7
⋅
7
+
69
77
=
797
−
6
!
78
=
76
−
7
+
9
79
=
(
7
−
6
)
⋅
79
80
=
77
−
6
+
9
81
=
(
7
+
7
)
⋅
6
−
9
82
=
96
−
7
−
7
83
=
67
+
7
+
9
84
=
97
−
6
−
7
85
=
(
6
+
7
)
⋅
7
−
9
!
86
=
76
+
7
+
9
87
=
(
7
+
7
)
⋅
6
+
9
88
=
7
⋅
9
+
67
89
=
96
−
7
⋅
7
90
=
97
−
7
!
6
!
91
=
(
7
−
9
)
!
+
67
92
=
76
+
7
+
9
93
=
(
7
+
7
)
⋅
6
+
9
94
=
(
6
+
7
)
⋅
7
+
9
95
=
96
−
7
7
96
=
96
−
7
+
7
97
=
679
7
98
=
97
−
6
+
7
99
=
?
100
=
(
6
+
7
)
⋅
7
+
9