1477
1
=
14
−
7
7
2
=
14
7
⋅
7
3
=
74
−
71
4
=
71
−
7
−
4
5
=
7
−
14
7
6
=
77
−
41
7
=
7
14
7
8
=
17
+
47
9
=
14
7
+
7
10
=
74
+
7
+
1
11
=
4
⋅
7
−
17
12
=
17
+
4
−
7
13
=
14
−
7
7
14
=
14
7
⋅
7
15
=
7
7
+
14
16
=
71
−
7
4
17
=
4
−
1
+
7
+
7
18
=
1
⋅
4
+
7
+
7
19
=
77
−
1
4
20
=
17
−
4
+
7
21
=
147
7
22
=
17
−
4
+
7
23
=
(
7
−
4
)
!
+
17
24
=
71
−
47
25
=
(
1
+
7
)
⋅
4
−
7
26
=
17
+
4
+
7
27
=
41
−
7
−
7
28
=
14
+
7
+
7
29
=
1
7
+
4
⋅
7
30
=
47
−
17
31
=
4
⋅
7
+
17
32
=
7
4
−
17
33
=
?
34
=
17
+
4
!
−
7
35
=
7
⋅
7
−
14
36
=
77
−
41
37
=
4
!
−
1
+
7
+
7
38
=
77
−
1
4
39
=
47
−
1
−
7
40
=
(
17
−
7
)
⋅
4
41
=
41
−
7
+
7
42
=
7
7
+
41
43
=
71
−
4
⋅
7
44
=
7
⋅
7
−
1
−
4
45
=
4
⋅
7
+
17
46
=
47
−
1
7
47
=
1
7
⋅
47
48
=
1
7
+
47
49
=
7
14
7
50
=
1
4
+
7
⋅
7
51
=
(
7
−
4
)
⋅
17
52
=
77
−
1
−
4
!
53
=
47
−
1
+
7
54
=
47
⋅
1
+
7
55
=
41
+
7
+
7
56
=
(
1
4
+
7
)
⋅
7
57
=
74
−
17
58
=
(
1
+
7
)
⋅
7
+
4
59
=
?
60
=
71
−
4
−
7
61
=
17
⋅
4
−
7
62
=
71
−
4
−
7
63
=
77
−
14
64
=
17
+
47
65
=
71
−
(
7
−
4
)
!
66
=
74
−
1
−
7
67
=
74
⋅
1
−
7
68
=
71
+
4
−
7
69
=
1
7
+
7
!
−
4
70
=
(
4
−
1
+
7
)
⋅
7
71
=
77
−
(
4
−
1
)
!
72
=
77
−
1
−
4
73
=
74
−
1
7
74
=
71
−
4
+
7
75
=
17
⋅
4
+
7
76
=
77
−
1
4
77
=
1
4
⋅
77
78
=
1
4
+
77
79
=
77
⋅
1
+
4
80
=
74
−
1
+
7
81
=
74
⋅
1
+
7
82
=
71
+
4
+
7
83
=
(
4
−
1
)
!
+
77
84
=
(
1
+
4
+
7
)
⋅
7
85
=
(
7
−
4
)
⋅
17
86
=
?
87
=
?
88
=
71
+
4
!
−
7
89
=
?
90
=
7
⋅
7
+
41
91
=
14
+
77
92
=
?
93
=
?
94
=
?
95
=
17
⋅
7
−
4
!
96
=
(
17
+
7
)
⋅
4
97
=
4
!
⋅
7
−
71
98
=
7
⋅
7
⋅
14
99
=
4
⋅
7
+
71
100
=
(
17
−
7
)
4