1578
1
=
15
−
7
8
2
=
17
−
5
−
8
3
=
18
7
−
5
4
=
17
−
5
−
8
5
=
85
17
6
=
81
−
75
7
=
57
−
1
8
8
=
(
15
−
7
)
⋅
8
9
=
18
7
−
5
10
=
17
+
8
+
5
11
=
17
−
(
8
−
5
)
!
12
=
85
−
1
7
13
=
71
−
58
14
=
85
−
71
15
=
(
8
−
7
)
⋅
15
16
=
15
−
7
+
8
17
=
5
⋅
7
−
18
18
=
18
7
−
5
19
=
57
81
20
=
17
−
5
+
8
21
=
81
+
5
+
7
22
=
(
7
−
1
)
⋅
5
−
8
23
=
5
⋅
8
−
17
24
=
81
−
57
25
=
75
81
26
=
5
⋅
7
−
81
27
=
78
−
51
28
=
785
−
1
29
=
(
7
−
81
)
!
+
5
30
=
15
+
7
+
8
31
=
71
−
5
⋅
8
32
=
5
!
8
+
17
33
=
5
!
−
87
⋅
1
34
=
5
!
−
(
87
−
1
)
35
=
1
8
⋅
5
⋅
7
36
=
87
−
51
37
=
81
!
⋅
5
+
7
38
=
81
⋅
5
−
7
39
=
57
−
18
40
=
1
7
⋅
5
⋅
8
41
=
58
−
17
42
=
7
!
15
8
43
=
5
!
−
(
78
−
1
)
44
=
5
⋅
7
+
81
45
=
(
17
−
8
)
⋅
5
46
=
81
−
5
⋅
7
47
=
1
⋅
5
⋅
8
+
7
48
=
57
−
81
49
=
(
15
−
8
)
⋅
7
50
=
51
+
7
−
8
51
=
(
8
−
5
)
⋅
17
52
=
51
−
7
+
8
53
=
5
⋅
7
+
18
54
=
57
−
81
55
=
(
18
−
7
)
⋅
5
56
=
57
−
1
8
57
=
75
−
18
58
=
178
−
5
!
59
=
1
7
+
58
60
=
57
+
81
61
=
1
⋅
7
⋅
8
+
5
62
=
7
⋅
8
+
1
+
5
63
=
78
−
15
64
=
(
15
−
7
)
⋅
8
65
=
57
⋅
1
+
8
66
=
57
+
81
67
=
187
−
5
!
68
=
85
−
17
69
=
81
−
5
−
7
70
=
(
7
−
1
+
8
)
⋅
5
71
=
7
⋅
8
+
15
72
=
87
−
15
73
=
78
⋅
1
−
5
74
=
518
7
75
=
17
+
58
76
=
1
8
+
75
77
=
17
⋅
5
−
8
78
=
1
5
⋅
78
79
=
1
5
+
78
80
=
5
−
1
+
78
81
=
87
−
1
−
5
82
=
75
−
1
+
8
83
=
581
7
84
=
75
+
81
85
=
1
7
⋅
85
86
=
1
7
+
85
87
=
1
5
⋅
87
88
=
1
5
+
87
89
=
5
−
1
+
87
90
=
(
5
+
8
)
⋅
7
−
1
91
=
(
18
−
5
)
⋅
7
92
=
85
⋅
1
+
7
93
=
15
+
78
94
=
?
95
=
5
!
−
17
−
8
96
=
(
17
−
5
)
⋅
8
97
=
15
⋅
7
−
8
98
=
(
81
+
5
)
⋅
7
99
=
5
!
−
81
⋅
7
100
=
7
8
+
51