2278
1
=
28
−
27
2
=
22
−
8
7
3
=
8
−
27
−
2
4
=
28
2
7
5
=
72
8
+
2
6
=
28
7
+
2
7
=
22
−
7
−
8
8
=
28
⋅
2
7
9
=
72
2
8
10
=
82
−
72
11
=
27
−
2
⋅
8
12
=
72
8
−
2
13
=
22
⋅
8
−
7
14
=
28
−
2
⋅
7
15
=
2
−
2
+
7
+
8
16
=
(
28
7
)
2
17
=
282
+
7
18
=
72
⋅
2
8
19
=
28
−
2
−
7
20
=
72
⋅
2
+
8
21
=
22
+
7
−
8
22
=
(
8
−
7
)
⋅
22
23
=
22
−
7
+
8
24
=
82
⋅
7
+
2
25
=
27
−
8
2
26
=
(
28
7
)
!
+
2
27
=
(
2
+
8
)
⋅
2
+
7
28
=
782
+
2
29
=
8
2
+
27
30
=
8
2
⋅
7
+
2
31
=
8
2
+
27
32
=
72
−
8
2
33
=
27
−
2
+
8
34
=
272
8
35
=
27
2
+
8
36
=
72
8
2
37
=
22
+
7
+
8
38
=
(
27
−
8
)
⋅
2
39
=
(
78
2
)
2
40
=
72
+
8
2
41
=
78
2
+
2
42
=
(
28
−
7
)
⋅
2
43
=
2
⋅
8
+
27
44
=
72
−
28
45
=
7
2
−
8
2
46
=
27
⋅
2
−
8
47
=
7
8
2
−
2
48
=
82
2
+
7
49
=
28
⋅
2
−
7
50
=
(
7
−
2
)
⋅
(
2
+
8
)
51
=
(
8
2
)
!
+
27
52
=
7
⋅
8
−
2
−
2
53
=
7
2
+
8
2
54
=
8
2
⋅
27
55
=
27
+
28
56
=
78
−
22
57
=
2
8
−
2
−
7
58
=
7
2
⋅
8
+
2
59
=
7
2
+
2
+
8
60
=
7
!
82
+
2
61
=
8
2
−
2
+
7
62
=
27
⋅
2
+
8
63
=
28
⋅
2
+
7
64
=
72
2
−
8
65
=
87
−
22
66
=
72
+
2
−
8
67
=
2
+
7
+
8
2
68
=
72
−
8
2
69
=
8
2
−
2
+
7
70
=
(
27
+
8
)
⋅
2
71
=
2
8
−
2
+
7
72
=
2
7
2
+
8
73
=
82
−
2
−
7
74
=
78
−
2
−
2
75
=
82
2
−
7
76
=
722
⋅
8
77
=
7
2
+
28
78
=
7
⋅
8
+
22
79
=
2
2
+
78
80
=
72
2
+
8
81
=
(
72
8
)
2
82
=
72
+
2
+
8
83
=
87
−
2
−
2
84
=
2
+
7
⋅
28
85
=
2
+
7
+
82
86
=
87
−
2
2
87
=
82
−
2
+
7
88
=
2
⋅
8
+
72
89
=
82
2
+
7
90
=
7
!
28
⋅
2
91
=
8
2
+
27
92
=
(
7
−
2
)
!
−
28
93
=
(
2
+
8
)
2
−
7
94
=
(
7
8
−
2
)
⋅
2
95
=
?
96
=
2
⋅
7
+
82
97
=
?
98
=
(
22
−
8
)
⋅
7
99
=
?
100
=
22
+
78