1189
1
=
19
−
18
2
=
18
⋅
1
9
3
=
9
11
−
8
4
=
8
11
−
9
5
=
18
9
−
1
6
=
9
−
(
11
−
8
)
7
=
8
−
1
19
8
=
9
−
1
18
9
=
1
18
⋅
9
10
=
91
−
81
11
=
(
9
−
8
)
⋅
11
12
=
11
−
8
+
9
13
=
91
8
−
1
14
=
18
−
1
−
9
15
=
(
11
−
8
)
!
+
9
16
=
(
11
−
9
)
⋅
8
17
=
18
−
1
9
18
=
1
9
⋅
18
19
=
1
9
+
18
20
=
1
8
+
19
21
=
18
⋅
1
+
9
22
=
19
+
81
23
=
18
−
1
+
9
!
24
=
(
8
11
−
9
)
!
25
=
11
⋅
9
−
8
26
=
18
−
1
+
9
27
=
(
11
−
8
)
⋅
9
28
=
19
+
81
29
=
(
8
−
1
)
!
9
!
+
1
30
=
(
81
+
1
)
⋅
9
31
=
(
1
+
9
)
⋅
8
−
1
32
=
(
1
⋅
1
+
9
)
⋅
8
33
=
(
8
1
+
1
)
!
+
9
34
=
(
1
+
1
)
⋅
(
8
+
9
)
35
=
8
⋅
9
+
11
36
=
(
9
−
1
)
⋅
18
37
=
18
+
19
38
=
9
!
8
+
1
+
1
39
=
9
!
!
18
−
1
40
=
(
11
−
9
!
)
⋅
8
41
=
11
⋅
9
+
8
42
=
(
1
+
9
)
!
+
18
43
=
(
8
−
1
)
⋅
9
!
+
1
44
=
9
!
1
+
1
+
8
45
=
(
81
!
−
1
)
⋅
9
46
=
8
⋅
9
!
−
1
−
1
47
=
(
8
⋅
9
!
−
1
)
⋅
1
48
=
(
1
+
1
)
⋅
8
⋅
9
49
=
98
1
+
1
50
=
8
⋅
9
!
+
1
+
1
51
=
(
18
−
1
)
⋅
9
52
=
?
53
=
18
⋅
9
−
1
54
=
(
11
−
8
)
!
⋅
9
55
=
(
8
−
9
)
⋅
11
56
=
(
9
−
(
1
+
1
)
)
⋅
8
57
=
19
⋅
81
58
=
11
⋅
9
!
−
8
59
=
8
⋅
9
!
+
11
60
=
(
81
+
1
)
⋅
9
!
61
=
8
⋅
9
−
11
62
=
81
−
19
63
=
(
8
−
1
⋅
1
)
⋅
9
64
=
8
11
−
9
65
=
(
9
−
1
)
⋅
8
+
1
66
=
9
!
8
!
!
⋅
11
67
=
8
1
+
1
+
9
68
=
(
8
−
1
)
!
+
1
−
9
69
=
?
70
=
8
⋅
9
−
1
−
1
71
=
81
−
1
−
9
72
=
81
⋅
1
−
9
73
=
91
−
18
74
=
8
⋅
9
+
1
+
1
75
=
81
⋅
1
−
9
!
76
=
81
+
1
−
9
!
77
=
81
−
1
−
9
78
=
89
−
11
79
=
11
⋅
8
−
9
80
=
81
−
1
9
81
=
1
9
⋅
81
82
=
91
−
81
83
=
8
⋅
9
+
11
84
=
91
+
1
−
8
85
=
11
⋅
8
−
9
86
=
81
−
1
+
9
!
87
=
98
−
11
88
=
(
89
−
1
)
⋅
1
89
=
81
−
1
+
9
90
=
81
⋅
1
+
9
91
=
11
⋅
9
−
8
92
=
1
8
+
91
93
=
?
94
=
81
+
91
95
=
?
96
=
98
−
1
−
1
97
=
11
⋅
8
+
9
98
=
91
−
1
+
8
99
=
91
⋅
1
+
8
100
=
11
+
89