1257
1
=
12
−
5
7
2
=
5
−
21
7
3
=
15
7
−
2
4
=
15
−
7
2
5
=
1
27
⋅
5
6
=
57
−
21
7
=
127
−
5
!
8
=
25
−
17
9
=
21
−
5
−
7
10
=
12
+
5
−
7
11
=
15
+
7
2
12
=
27
−
15
13
=
25
+
1
+
7
14
=
12
−
5
+
7
15
=
2
5
−
17
16
=
257
−
1
17
=
25
−
1
−
7
18
=
25
⋅
1
−
7
19
=
71
−
52
20
=
15
−
2
+
7
21
=
72
−
51
22
=
17
+
25
23
=
5
⋅
7
−
12
24
=
51
−
27
25
=
(
12
−
7
)
⋅
5
26
=
1
7
+
25
27
=
2
⋅
5
+
17
28
=
1
5
+
27
29
=
2
⋅
7
+
15
30
=
12
⋅
75
31
=
25
−
1
+
7
32
=
25
⋅
1
+
7
33
=
21
+
5
+
7
34
=
7
2
−
15
35
=
52
−
17
36
=
57
−
21
37
=
15
⋅
2
+
7
38
=
71
+
5
2
39
=
17
⋅
2
+
5
40
=
5
!
21
7
41
=
(
7
−
1
)
2
+
5
42
=
15
+
27
43
=
5
!
2
−
17
44
=
(
15
+
7
)
⋅
2
45
=
57
−
12
46
=
71
−
25
47
=
5
⋅
7
+
12
48
=
7
!
21
⋅
5
49
=
(
12
−
5
)
⋅
7
50
=
(
1
+
2
+
7
)
⋅
5
51
=
(
5
−
2
)
⋅
17
52
=
172
−
5
!
53
=
12
⋅
5
−
7
54
=
75
−
21
55
=
57
⋅
1
−
2
56
=
5
⋅
7
+
21
57
=
72
−
15
58
=
52
−
1
+
7
59
=
52
⋅
1
+
7
60
=
51
+
2
+
7
61
=
71
−
2
⋅
5
62
=
(
(
5
−
1
)
!
+
7
)
⋅
2
63
=
75
−
12
64
=
(
15
−
7
)
2
65
=
2
⋅
7
+
51
66
=
71
−
25
67
=
12
⋅
5
+
7
68
=
71
+
2
−
5
69
=
12
+
57
70
=
(
21
−
7
)
⋅
5
71
=
72
−
1
5
72
=
1
5
⋅
72
73
=
1
5
+
72
74
=
71
−
2
+
5
75
=
(
7
−
2
)
⋅
15
76
=
25
+
71
77
=
2
7
−
51
78
=
21
+
57
79
=
12
⋅
7
−
5
80
=
(
1
+
7
)
⋅
2
⋅
5
81
=
2
⋅
5
+
71
82
=
(
7
!
5
!
−
1
)
⋅
2
83
=
17
⋅
5
−
2
84
=
7
!
12
⋅
5
85
=
17
⋅
25
86
=
5
!
−
17
⋅
2
87
=
12
+
75
88
=
(
51
−
7
)
⋅
2
89
=
12
⋅
7
+
5
90
=
2
+
7
!
⋅
15
91
=
(
15
−
2
)
⋅
7
92
=
5
!
−
21
−
7
93
=
5
!
−
27
⋅
1
94
=
5
!
−
(
27
−
1
)
95
=
(
12
+
7
)
⋅
5
96
=
21
+
75
97
=
217
−
5
!
98
=
21
⋅
5
−
7
99
=
5
!
−
(
1
+
2
)
⋅
7
100
=
7
2
+
51