1779
1
=
17
−
7
−
9
2
=
17
−
9
7
3
=
9
!
!
−
717
4
=
7
⋅
9
−
17
5
=
19
−
7
−
7
6
=
91
7
−
7
7
=
17
−
7
−
9
8
=
79
−
71
9
=
1
⋅
7
−
7
+
9
10
=
(
1
7
)
7
+
9
11
=
7
7
+
1
+
9
12
=
91
−
7
7
13
=
17
−
7
+
9
14
=
91
−
77
15
=
17
+
7
−
9
16
=
1
7
⋅
7
+
9
17
=
17
9
−
7
18
=
19
−
7
7
19
=
17
−
7
+
9
20
=
7
7
+
19
21
=
17
+
7
−
9
22
=
7
−
1
+
7
+
9
23
=
1
⋅
7
+
7
+
9
24
=
(
71
−
7
)
⋅
9
25
=
7
⋅
9
!
−
17
26
=
97
−
71
27
=
17
+
7
+
9
28
=
791
−
7
29
=
71
−
7
⋅
9
!
30
=
7
⋅
7
−
19
31
=
(
1
+
7
)
⋅
9
+
7
32
=
(
1
+
7
)
⋅
(
7
−
9
)
33
=
17
+
7
+
9
34
=
(
9
−
7
)
⋅
17
35
=
(
1
+
7
−
9
)
⋅
7
36
=
(
7
−
1
)
9
−
7
37
=
9
!
7
!
+
7
!
+
1
38
=
7
⋅
9
+
17
39
=
7
⋅
7
−
1
−
9
40
=
1
⋅
7
⋅
7
−
9
41
=
7
⋅
7
+
1
−
9
42
=
91
−
7
⋅
7
43
=
(
7
+
7
)
⋅
9
+
1
44
=
17
⋅
9
−
7
45
=
(
1
+
7
+
7
)
⋅
9
46
=
7
⋅
9
−
17
47
=
(
1
+
7
)
⋅
7
−
9
48
=
7
9
−
7
−
1
49
=
7
9
−
1
⋅
7
50
=
71
−
7
⋅
9
51
=
771
−
9
!
!
52
=
1
⋅
7
⋅
7
+
9
53
=
77
−
(
1
+
9
)
!
54
=
(
7
−
1
7
)
⋅
9
55
=
71
−
7
−
9
56
=
(
17
−
9
)
⋅
7
57
=
7
⋅
7
−
1
+
9
58
=
77
−
19
59
=
177
9
60
=
7
!
91
−
7
61
=
71
−
7
−
9
62
=
79
−
17
63
=
7
!
71
+
9
64
=
1
7
+
7
⋅
9
65
=
(
1
+
7
)
⋅
7
+
9
66
=
9
!
7
!
+
1
−
7
67
=
77
−
1
−
9
68
=
7
⋅
7
+
19
69
=
71
+
7
−
9
70
=
(
1
7
+
9
)
⋅
7
71
=
79
−
1
−
7
72
=
79
⋅
1
−
7
73
=
71
−
7
+
9
74
=
77
⋅
1
−
9
75
=
71
+
7
−
9
76
=
77
−
1
9
77
=
1
9
⋅
77
78
=
1
9
+
77
79
=
1
7
⋅
79
80
=
97
−
17
81
=
71
+
7
+
9
82
=
77
−
1
+
9
!
83
=
77
⋅
1
+
9
!
84
=
(
19
−
7
)
⋅
7
85
=
77
−
1
+
9
86
=
77
⋅
1
+
9
87
=
71
+
7
+
9
88
=
9
1
+
7
+
7
89
=
97
−
1
−
7
90
=
(
17
−
7
)
⋅
9
91
=
91
7
⋅
7
92
=
7
7
+
91
93
=
?
94
=
?
95
=
17
⋅
9
!
−
7
96
=
17
+
79
97
=
1
7
⋅
97
98
=
1
7
+
97
99
=
?
100
=
(
7
+
9
)
1
+
7