2777
1
=
27
7
−
7
2
=
(
7
−
7
)
⋅
7
+
2
3
=
77
7
−
2
4
=
7
−
(
7
7
+
2
)
5
=
77
−
72
6
=
7
−
2
7
−
7
7
=
(
7
−
7
)
⋅
2
+
7
8
=
2
7
−
7
+
7
9
=
77
7
−
2
10
=
7
!
72
7
11
=
7
⋅
7
+
72
12
=
(
7
−
7
7
)
⋅
2
13
=
27
−
7
−
7
14
=
27
⋅
7
+
7
15
=
2
⋅
7
+
7
7
16
=
(
7
7
+
7
)
⋅
2
17
=
2
+
7
+
7
+
7
18
=
2
7
−
7
+
7
19
=
7
−
2
+
7
+
7
20
=
27
−
7
⋅
7
21
=
(
7
7
+
2
)
⋅
7
22
=
7
⋅
7
−
27
23
=
72
−
7
⋅
7
24
=
(
7
−
(
7
7
+
2
)
)
!
25
=
?
26
=
27
−
7
7
27
=
27
−
7
+
7
28
=
7
7
+
27
29
=
?
30
=
?
31
=
(
7
−
2
+
7
)
!
+
7
32
=
?
33
=
?
34
=
7
⋅
7
+
27
35
=
77
−
7
2
36
=
(
7
−
7
7
)
2
37
=
?
38
=
?
39
=
?
40
=
7
⋅
7
−
2
−
7
41
=
27
+
7
+
7
42
=
77
+
7
2
43
=
(
7
−
2
)
!
−
77
44
=
7
⋅
7
+
2
−
7
45
=
?
46
=
7
⋅
7
−
2
+
7
47
=
7
⋅
7
⋅
7
−
2
48
=
7
2
−
7
7
49
=
7
7
−
(
7
−
2
)
50
=
77
−
27
51
=
2
7
−
77
52
=
2
+
7
+
7
⋅
7
53
=
?
54
=
7
⋅
7
−
2
+
7
55
=
2
+
7
!
+
7
⋅
7
56
=
(
2
+
7
)
⋅
7
−
7
57
=
?
58
=
72
−
7
−
7
59
=
?
60
=
(
7
−
2
)
⋅
7
!
7
61
=
?
62
=
?
63
=
77
−
2
⋅
7
64
=
2
7
−
7
7
65
=
72
−
7
⋅
7
66
=
?
67
=
?
68
=
77
−
2
−
7
69
=
7
7
+
7
!
−
2
70
=
77
2
−
7
71
=
72
−
7
7
72
=
72
−
7
+
7
73
=
7
7
+
72
74
=
77
−
2
+
7
75
=
?
76
=
7
⋅
7
+
27
77
=
7
!
72
+
7
78
=
?
79
=
7
⋅
7
+
72
80
=
2
+
7
+
77
81
=
?
82
=
77
−
2
+
7
83
=
2
+
7
!
+
77
84
=
77
2
+
7
85
=
?
86
=
72
+
7
+
7
87
=
?
88
=
?
89
=
?
90
=
7
!
7
2
+
7
91
=
2
⋅
7
+
77
92
=
?
93
=
?
94
=
?
95
=
?
96
=
(
7
+
7
)
⋅
7
−
2
97
=
?
98
=
7
2
+
7
⋅
7
99
=
?
100
=
(
7
+
7
)
⋅
7
+
2