1789
1
=
17
−
8
9
2
=
81
−
79
3
=
98
−
17
4
=
91
−
87
5
=
7
−
18
9
6
=
9
−
17
−
8
7
=
71
−
8
9
8
=
(
17
−
9
)
⋅
8
9
=
98
−
17
10
=
71
+
9
8
11
=
81
−
7
+
9
12
=
97
−
1
8
13
=
91
−
78
14
=
187
+
9
15
=
98
7
+
1
16
=
97
−
81
17
=
(
9
−
8
)
⋅
17
18
=
89
−
71
19
=
(
8
−
7
)
⋅
19
20
=
18
−
7
+
9
21
=
91
7
+
8
22
=
17
+
8
−
9
23
=
7
−
1
+
8
+
9
24
=
(
91
−
87
)
!
25
=
78
9
−
1
26
=
78
⋅
1
9
27
=
189
7
28
=
781
+
9
29
=
87
⋅
1
9
30
=
87
9
+
1
31
=
17
+
8
+
9
!
32
=
(
1
7
+
9
)
⋅
8
33
=
(
18
−
7
)
⋅
9
34
=
17
+
8
+
9
35
=
91
−
7
⋅
8
36
=
(
9
−
7
)
⋅
18
37
=
7
⋅
8
−
19
38
=
9
8
−
7
!
−
1
39
=
7
⋅
9
+
18
40
=
(
8
−
1
)
⋅
7
−
9
41
=
8
⋅
9
+
17
42
=
18
⋅
7
9
43
=
17
⋅
9
−
8
44
=
(
7
+
8
)
⋅
9
−
1
45
=
7
⋅
9
−
18
46
=
7
⋅
8
−
1
−
9
47
=
18
⋅
9
−
7
48
=
7
⋅
8
+
1
−
9
49
=
7
18
9
50
=
1
⋅
7
⋅
8
−
9
!
51
=
(
7
−
1
)
⋅
8
+
9
52
=
(
8
−
1
)
⋅
7
+
9
53
=
1
⋅
7
⋅
8
−
9
54
=
71
−
8
−
9
55
=
8
⋅
9
−
17
56
=
7
!
81
+
9
57
=
(
7
−
1
)
⋅
8
+
9
58
=
(
8
−
1
)
⋅
7
+
9
59
=
78
−
19
60
=
71
−
8
−
9
61
=
79
−
18
62
=
(
7
−
1
)
⋅
9
+
8
63
=
(
18
−
9
)
⋅
7
64
=
(
17
−
9
)
⋅
8
65
=
81
−
7
−
9
66
=
71
−
8
+
9
67
=
(
1
+
7
)
⋅
8
+
9
68
=
87
−
19
69
=
78
⋅
1
−
9
70
=
79
−
81
71
=
(
9
−
8
)
⋅
71
72
=
89
−
17
73
=
79
−
81
!
74
=
78
−
1
−
9
75
=
7
⋅
8
+
19
76
=
91
−
7
−
8
77
=
(
19
−
8
)
⋅
7
78
=
1
9
⋅
78
79
=
97
−
18
80
=
1
8
+
79
81
=
98
−
17
82
=
89
⋅
1
−
7
83
=
81
−
7
+
9
84
=
87
⋅
1
−
9
85
=
(
8
−
9
)
⋅
17
86
=
78
−
1
+
9
87
=
78
⋅
1
+
9
88
=
79
+
81
89
=
8
⋅
9
+
17
90
=
1
7
+
89
91
=
(
8
−
7
)
⋅
91
92
=
91
−
7
+
8
93
=
87
⋅
1
+
9
!
94
=
97
−
81
95
=
87
−
1
+
9
96
=
(
19
−
7
)
⋅
8
97
=
18
+
79
98
=
1
8
+
97
99
=
(
18
−
7
)
⋅
9
100
=
81
+
97