4677
1
=
46
7
−
7
2
=
76
−
74
3
=
7
⋅
7
−
46
4
=
7
−
(
4
+
6
−
7
)
5
=
47
−
6
⋅
7
6
=
(
7
⋅
7
−
46
)
!
7
=
74
−
67
8
=
64
−
7
+
7
9
=
47
+
7
6
10
=
4
+
6
−
7
+
7
11
=
(
7
−
6
)
⋅
4
+
7
12
=
76
4
−
7
13
=
77
−
64
14
=
6
7
−
4
⋅
7
15
=
64
−
7
⋅
7
16
=
6
−
4
+
7
+
7
17
=
47
⋅
6
+
7
18
=
6
!
47
−
7
19
=
(
7
−
4
)
!
+
6
+
7
20
=
67
−
47
21
=
64
⋅
7
−
7
22
=
64
+
7
+
7
23
=
4
⋅
6
−
7
7
24
=
4
+
6
+
7
+
7
25
=
(
7
−
4
)
⋅
6
+
7
26
=
76
4
+
7
27
=
747
−
6
!
28
=
(
7
−
6
)
⋅
4
⋅
7
29
=
76
−
47
30
=
67
−
7
4
31
=
77
−
46
32
=
46
−
7
−
7
33
=
(
6
+
7
)
⋅
4
+
7
34
=
47
−
6
−
7
35
=
(
7
−
(
6
−
4
)
)
⋅
7
36
=
67
−
4
!
−
7
37
=
67
+
7
4
38
=
4
⋅
6
+
7
+
7
39
=
67
−
4
⋅
7
40
=
47
−
7
!
6
!
41
=
7
⋅
7
−
64
42
=
7
6
−
4
−
7
43
=
(
7
−
4
)
!
⋅
6
+
7
44
=
(
7
−
4
)
!
−
76
45
=
46
−
7
7
46
=
46
−
7
+
7
47
=
7
7
+
46
48
=
47
−
6
+
7
49
=
64
⋅
7
−
7
50
=
64
−
7
−
7
51
=
7
⋅
7
−
4
+
6
52
=
4
7
−
76
53
=
77
−
4
⋅
6
54
=
774
−
6
!
55
=
7
4
⋅
7
+
6
56
=
67
−
4
−
7
57
=
64
−
7
⋅
7
58
=
67
−
4
−
7
59
=
76
−
4
!
+
7
60
=
46
+
7
+
7
61
=
74
−
6
−
7
62
=
67
+
4
−
7
63
=
64
−
7
7
64
=
64
−
7
+
7
65
=
7
7
+
64
66
=
7
!
−
4
!
76
67
=
77
−
4
−
6
68
=
476
7
69
=
77
−
64
70
=
67
−
4
+
7
71
=
7
⋅
7
+
64
72
=
67
−
4
+
7
73
=
74
+
6
−
7
74
=
(
7
−
6
)
⋅
74
75
=
74
−
6
+
7
76
=
67
+
4
+
7
77
=
77
6
−
4
78
=
64
+
7
+
7
79
=
76
−
4
+
7
80
=
7
!
67
−
4
81
=
4
⋅
7
+
67
82
=
(
7
−
4
)
!
+
76
83
=
(
4
+
7
)
⋅
7
+
6
84
=
67
+
4
!
−
7
85
=
64
+
77
86
=
(
7
⋅
7
−
6
)
⋅
4
87
=
74
+
6
+
7
88
=
(
7
+
7
)
⋅
6
+
4
89
=
6
⋅
7
+
47
90
=
4
⋅
7
+
76
91
=
4
⋅
6
⋅
7
+
7
92
=
4
!
⋅
7
−
76
93
=
76
+
4
!
−
7
94
=
?
95
=
7
⋅
7
+
46
96
=
(
4
+
7
+
7
)
⋅
6
97
=
?
98
=
67
+
4
!
+
7
99
=
?
100
=
?