2378
1
=
(
8
−
7
)
23
2
=
23
−
7
8
3
=
37
−
28
4
=
8
−
23
−
7
5
=
8
−
27
3
6
=
72
8
−
3
7
=
28
7
+
3
8
=
87
−
23
9
=
37
−
28
10
=
28
7
+
3
!
11
=
38
−
27
12
=
28
⋅
3
7
13
=
78
2
3
14
=
28
7
−
3
15
=
28
−
3
!
−
7
16
=
27
−
3
−
8
17
=
27
3
+
8
18
=
28
−
3
−
7
19
=
2
⋅
7
−
3
+
8
20
=
72
3
!
+
8
21
=
37
−
2
⋅
8
22
=
23
+
7
−
8
23
=
(
8
−
7
)
⋅
23
24
=
23
−
7
+
8
25
=
82
−
7
3
26
=
38
2
+
7
27
=
37
−
2
−
8
28
=
32
⋅
7
8
29
=
38
−
2
−
7
30
=
7
−
3
+
28
31
=
32
+
7
−
8
32
=
27
−
3
+
8
33
=
7
⋅
8
−
23
34
=
238
7
35
=
28
−
3
⋅
7
36
=
78
2
−
3
37
=
(
7
−
2
)
!
−
83
38
=
23
+
7
+
8
39
=
8
2
+
37
40
=
32
−
7
⋅
8
41
=
8
2
+
37
42
=
78
2
+
3
43
=
37
−
2
+
8
44
=
7
2
+
3
−
8
45
=
73
−
28
46
=
78
−
32
47
=
32
+
7
+
8
48
=
72
−
3
⋅
8
49
=
3
⋅
7
+
28
50
=
2
⋅
3
⋅
7
+
8
51
=
3
⋅
8
+
27
52
=
2
⋅
7
+
38
53
=
2
⋅
8
+
37
54
=
(
8
−
3
!
)
⋅
27
55
=
78
−
23
56
=
83
−
27
57
=
(
27
−
8
)
⋅
3
58
=
(
37
−
8
)
⋅
2
59
=
7
2
⋅
8
+
3
60
=
7
!
28
⋅
3
61
=
72
−
3
−
8
62
=
(
38
−
7
)
⋅
2
63
=
(
28
−
7
)
⋅
3
64
=
87
−
23
65
=
27
+
38
66
=
37
⋅
2
−
8
67
=
72
+
3
−
8
68
=
8
2
−
3
+
7
69
=
38
⋅
2
−
7
70
=
78
−
2
3
71
=
73
−
8
2
72
=
27
3
⋅
8
73
=
27
⋅
3
−
8
74
=
83
−
2
−
7
75
=
3
!
⋅
8
+
27
76
=
83
2
−
7
77
=
28
⋅
3
−
7
78
=
(
3
−
2
)
⋅
78
79
=
7
⋅
8
+
23
80
=
82
−
7
−
3
81
=
3
28
7
82
=
37
⋅
2
+
8
83
=
38
⋅
2
+
7
84
=
2
⋅
3
+
78
85
=
8
2
+
3
⋅
7
86
=
2
3
+
78
87
=
7
2
+
38
88
=
7
⋅
8
+
32
89
=
27
⋅
3
+
8
90
=
(
37
+
8
)
⋅
2
91
=
28
⋅
3
+
7
92
=
82
+
3
+
7
93
=
2
⋅
3
+
87
94
=
?
95
=
2
3
+
87
96
=
3
⋅
8
+
72
97
=
2
⋅
7
+
83
98
=
7
3
⋅
28
99
=
2
⋅
3
!
+
87
100
=
(
2
+
8
)
⋅
(
3
+
7
)