1799
1
=
9
−
(
17
−
9
)
2
=
19
+
9
7
3
=
19
−
7
−
9
4
=
19
+
9
7
5
=
17
−
9
−
9
6
=
97
−
91
7
=
9
−
(
9
−
1
⋅
7
)
8
=
17
−
9
⋅
9
9
=
19
−
7
−
9
10
=
9
⋅
9
−
71
11
=
17
−
9
+
9
12
=
91
−
79
13
=
79
−
1
9
!
14
=
99
−
1
7
15
=
19
−
7
+
9
16
=
17
−
9
9
17
=
17
−
9
+
9
18
=
9
9
+
17
19
=
19
9
−
7
20
=
9
9
+
17
21
=
19
−
7
+
9
22
=
91
7
+
9
23
=
17
−
9
+
9
24
=
(
17
−
9
)
⋅
9
25
=
1
⋅
7
+
9
+
9
26
=
9
⋅
9
+
17
27
=
(
9
−
(
7
−
1
)
)
⋅
9
28
=
99
−
71
29
=
17
+
9
+
9
30
=
(
1
7
+
9
)
⋅
9
31
=
7
⋅
9
+
1
+
9
32
=
97
−
1
9
33
=
(
1
+
7
)
⋅
9
+
9
34
=
1
⋅
9
⋅
9
+
7
35
=
17
+
9
+
9
36
=
(
19
−
7
)
⋅
9
37
=
9
!
⋅
9
−
17
38
=
(
9
−
7
)
⋅
19
39
=
91
7
⋅
9
40
=
7
⋅
9
+
19
41
=
(
9
−
9
)
⋅
7
−
1
42
=
17
⋅
9
−
9
43
=
(
7
−
9
)
!
+
19
44
=
7
⋅
9
−
19
45
=
(
7
−
1
)
⋅
9
−
9
46
=
7
9
−
1
−
9
47
=
(
9
−
1
)
⋅
7
−
9
48
=
(
17
−
9
)
⋅
9
!
49
=
7
9
9
+
1
50
=
19
⋅
9
−
7
51
=
17
⋅
9
9
52
=
7
⋅
9
!
+
1
+
9
53
=
71
−
9
−
9
54
=
(
7
−
1
9
)
⋅
9
55
=
7
⋅
9
+
1
−
9
56
=
(
9
−
1
9
)
⋅
7
57
=
(
7
−
1
)
⋅
9
+
9
58
=
7
9
−
1
+
9
59
=
71
−
9
−
9
60
=
79
−
19
61
=
(
1
+
9
)
⋅
7
−
9
62
=
71
−
9
⋅
9
63
=
1
9
⋅
7
⋅
9
64
=
9
⋅
9
−
17
65
=
71
−
9
+
9
66
=
1
⋅
7
⋅
9
+
9
67
=
91
−
(
7
−
9
)
!
68
=
71
−
9
9
69
=
79
−
1
−
9
70
=
(
19
−
9
)
⋅
7
71
=
71
−
9
+
9
72
=
(
17
−
9
)
⋅
9
73
=
7
⋅
9
+
1
+
9
74
=
9
9
+
71
75
=
91
−
7
−
9
76
=
(
7
−
9
)
⋅
19
77
=
71
−
9
+
9
78
=
97
−
19
79
=
1
9
⋅
79
80
=
1
9
+
79
81
=
79
−
1
+
9
82
=
99
−
17
83
=
71
+
9
+
9
84
=
79
−
1
+
9
!
85
=
79
⋅
1
+
9
!
86
=
71
+
9
!
+
9
87
=
79
−
1
+
9
88
=
79
⋅
1
+
9
89
=
71
+
9
+
9
90
=
(
1
7
+
9
)
⋅
9
91
=
99
−
1
−
7
92
=
99
⋅
1
−
7
93
=
91
−
7
+
9
94
=
97
⋅
1
−
9
95
=
91
+
7
−
9
96
=
97
−
1
9
97
=
1
9
⋅
97
98
=
19
+
79
99
=
1
7
⋅
99
100
=
1
7
+
99