2779
1
=
29
7
−
7
2
=
7
−
27
9
3
=
72
−
9
7
4
=
7
−
27
9
5
=
97
−
72
6
=
27
−
7
⋅
9
7
=
79
−
72
8
=
9
−
2
7
−
7
9
=
72
−
9
7
10
=
27
9
+
7
11
=
27
−
7
−
9
12
=
(
9
−
7
)
⋅
72
13
=
72
+
97
14
=
29
⋅
7
−
7
15
=
92
−
77
16
=
27
9
+
7
17
=
27
−
7
−
9
18
=
72
7
−
9
19
=
(
7
+
7
)
⋅
2
−
9
20
=
729
−
7
21
=
27
⋅
7
9
22
=
29
−
7
⋅
7
23
=
27
−
7
+
9
24
=
(
7
−
27
9
)
!
25
=
97
−
72
26
=
(
7
−
2
)
⋅
7
−
9
27
=
27
9
−
7
28
=
29
−
7
7
29
=
27
−
7
+
9
30
=
7
7
+
29
31
=
2
7
−
97
32
=
2
⋅
9
+
7
+
7
33
=
7
2
−
7
−
9
34
=
729
+
7
35
=
(
2
⋅
7
−
9
)
⋅
7
36
=
7
⋅
9
−
27
37
=
27
+
7
+
9
38
=
7
⋅
7
−
2
−
9
39
=
(
7
+
9
)
⋅
2
+
7
40
=
77
+
9
2
41
=
(
7
−
2
)
!
−
79
42
=
(
27
9
)
!
⋅
7
43
=
27
+
7
+
9
44
=
(
7
−
2
)
⋅
7
+
9
45
=
97
−
7
2
46
=
(
7
+
7
+
9
)
⋅
2
47
=
7
2
+
7
−
9
48
=
77
−
29
49
=
2
7
−
79
50
=
7
⋅
7
−
2
+
9
51
=
72
−
7
⋅
9
52
=
79
−
27
53
=
7
2
+
7
−
9
54
=
(
9
−
7
)
⋅
27
55
=
2
⋅
9
+
7
⋅
7
56
=
72
−
7
−
9
57
=
(
7
−
2
)
!
−
7
⋅
9
58
=
7
⋅
9
+
2
−
7
59
=
77
−
2
⋅
9
60
=
(
27
−
7
)
⋅
9
61
=
7
!
72
−
9
62
=
72
−
7
−
9
63
=
27
⋅
7
9
64
=
(
9
−
7
7
)
2
65
=
79
−
2
⋅
7
66
=
77
−
2
−
9
67
=
9
2
−
7
−
7
68
=
72
−
7
+
9
69
=
7
!
−
279
70
=
97
−
27
71
=
77
−
2
⋅
9
72
=
72
9
−
7
73
=
7
!
72
+
9
74
=
72
−
7
+
9
75
=
77
−
9
!
−
2
76
=
72
+
7
−
9
77
=
(
9
−
2
)
⋅
77
78
=
7
⋅
7
+
29
79
=
7
!
72
+
9
80
=
7
!
72
−
9
81
=
9
7
27
82
=
72
+
7
+
9
83
=
97
−
2
⋅
7
84
=
77
−
2
+
9
85
=
2
9
+
77
86
=
77
2
+
9
87
=
7
!
2
+
7
!
+
9
88
=
72
+
7
+
9
89
=
2
⋅
7
⋅
7
−
9
90
=
7
⋅
9
+
27
91
=
92
−
7
7
92
=
92
−
7
+
7
93
=
2
⋅
7
+
79
94
=
97
−
2
+
7
95
=
2
⋅
9
+
77
96
=
(
7
−
9
)
!
+
72
97
=
?
98
=
(
7
−
2
+
9
)
⋅
7
99
=
7
⋅
7
+
92
100
=
2
+
7
+
97