1237
1
=
2
⋅
7
−
13
2
=
31
−
27
3
=
7
−
12
3
4
=
31
−
27
5
=
37
−
12
6
=
23
−
17
7
=
12
+
37
8
=
12
+
3
−
7
9
=
3
⋅
7
−
12
10
=
13
+
7
2
11
=
12
3
+
7
12
=
(
13
−
7
)
⋅
2
13
=
172
−
3
14
=
27
−
13
15
=
32
−
17
16
=
37
−
21
17
=
(
3
−
2
)
⋅
17
18
=
13
−
2
+
7
19
=
13
⋅
2
−
7
20
=
13
2
+
7
21
=
12
−
3
⋅
7
22
=
12
+
3
+
7
23
=
2
⋅
3
+
17
24
=
(
31
−
27
)
!
25
=
37
−
12
26
=
3
2
+
17
27
=
731
−
2
28
=
12
3
⋅
7
29
=
12
⋅
3
−
7
30
=
23
⋅
1
+
7
31
=
17
⋅
2
−
3
32
=
1
7
⋅
32
33
=
231
7
34
=
37
−
1
−
2
35
=
37
⋅
1
−
2
36
=
(
13
−
7
)
2
37
=
17
⋅
2
+
3
38
=
32
−
1
+
7
39
=
71
−
32
40
=
13
+
27
41
=
72
−
31
42
=
(
21
−
7
)
⋅
3
43
=
12
⋅
3
+
7
44
=
(
3
⋅
7
+
1
)
⋅
2
45
=
(
17
−
2
)
⋅
3
46
=
(
17
+
3
!
)
⋅
2
47
=
2
3
!
−
17
48
=
71
−
23
49
=
12
+
37
50
=
1
3
+
7
2
51
=
17
2
⋅
3
52
=
73
−
21
53
=
17
⋅
3
+
2
54
=
(
3
−
1
)
⋅
27
55
=
31
⋅
2
−
7
56
=
21
⋅
3
−
7
57
=
(
12
+
7
)
⋅
3
58
=
21
+
37
59
=
72
−
13
60
=
(
1
+
2
+
7
)
⋅
3
!
61
=
3721
62
=
7
2
+
13
63
=
(
12
−
3
)
⋅
7
64
=
2
13
−
7
65
=
(
7
−
2
)
⋅
13
66
=
71
−
2
−
3
67
=
71
+
2
−
3
!
68
=
72
−
1
−
3
69
=
31
⋅
2
+
7
70
=
21
⋅
3
+
7
71
=
(
3
−
2
)
⋅
71
72
=
(
37
−
1
)
⋅
2
73
=
37
⋅
2
−
1
74
=
37
⋅
1
⋅
2
75
=
37
⋅
2
+
1
76
=
(
31
+
7
)
⋅
2
77
=
(
13
−
2
)
⋅
7
78
=
(
27
−
1
)
⋅
3
79
=
2
3
+
71
80
=
27
⋅
3
−
1
81
=
12
⋅
7
−
3
82
=
27
⋅
3
+
1
83
=
2
⋅
3
!
+
71
84
=
(
21
+
7
)
⋅
3
85
=
12
+
73
86
=
(
3
!
⋅
7
+
1
)
⋅
2
87
=
12
⋅
7
+
3
88
=
3
!
!
1
+
7
−
2
89
=
13
⋅
7
−
2
90
=
12
⋅
7
+
3
!
91
=
13
2
⋅
7
92
=
3
!
!
1
+
7
+
2
93
=
13
⋅
7
+
2
94
=
21
+
73
95
=
(
3
!
−
2
)
!
+
71
96
=
(
1
+
3
)
!
+
72
97
=
2
7
−
31
98
=
7
3
−
1
⋅
2
99
=
(
3
+
7
)
2
−
1
100
=
17
⋅
3
!
−
2