1457
1
=
(
5
−
4
)
17
2
=
51
−
47
3
=
5
−
14
7
4
=
51
−
47
5
=
15
7
−
4
6
=
41
−
5
⋅
7
7
=
14
7
+
5
8
=
17
−
4
−
5
9
=
54
7
−
1
10
=
14
⋅
5
7
11
=
51
−
7
4
12
=
14
+
5
−
7
13
=
174
−
5
14
=
57
−
1
4
15
=
71
+
4
5
16
=
57
−
41
17
=
71
−
54
18
=
15
−
4
+
7
19
=
57
4
−
1
20
=
15
−
4
+
7
21
=
5
⋅
7
−
14
22
=
154
7
23
=
74
−
51
24
=
(
51
−
47
)
!
25
=
5
14
7
26
=
71
−
45
27
=
147
−
5
!
28
=
45
−
17
29
=
41
−
5
−
7
30
=
(
7
−
1
4
)
⋅
5
31
=
(
1
+
5
)
⋅
4
+
7
32
=
47
−
15
33
=
57
⋅
1
−
4
!
34
=
75
−
41
35
=
(
14
−
7
)
⋅
5
36
=
17
+
4
!
−
5
37
=
54
−
17
38
=
45
⋅
1
−
7
39
=
41
+
5
−
7
40
=
51
−
4
−
7
41
=
47
−
1
−
5
42
=
47
⋅
1
−
5
43
=
57
−
14
44
=
45
−
1
7
45
=
(
7
−
4
)
⋅
15
46
=
1
7
+
45
47
=
1
5
⋅
47
48
=
(
17
−
5
)
⋅
4
49
=
5
⋅
7
+
14
50
=
74
−
(
5
−
1
)
!
51
=
45
−
1
+
7
52
=
45
⋅
1
+
7
53
=
15
⋅
4
−
7
54
=
174
−
5
!
55
=
1
7
+
54
56
=
57
−
1
4
57
=
1
4
⋅
57
58
=
1
4
+
57
59
=
74
−
15
60
=
54
−
1
+
7
61
=
75
−
14
62
=
15
+
47
63
=
(
14
−
5
)
⋅
7
64
=
(
15
−
7
)
4
65
=
(
17
−
4
)
⋅
5
66
=
(
1
+
5
)
⋅
(
4
+
7
)
67
=
15
⋅
4
+
7
68
=
74
−
1
−
5
69
=
74
⋅
1
−
5
70
=
71
+
4
−
5
71
=
14
+
57
72
=
71
−
4
+
5
73
=
17
⋅
4
+
5
74
=
1
5
⋅
74
75
=
1
5
+
74
76
=
5
⋅
7
+
41
77
=
14
⋅
5
+
7
78
=
74
−
1
+
5
79
=
4
⋅
7
+
51
80
=
71
+
4
+
5
81
=
17
⋅
5
−
4
82
=
(
7
−
5
)
⋅
41
83
=
17
⋅
5
−
4
84
=
7
!
15
⋅
4
85
=
17
4
⋅
5
86
=
5
!
−
41
+
7
87
=
17
⋅
5
+
4
88
=
(
15
+
7
)
⋅
4
89
=
14
+
75
90
=
(
7
−
4
)
!
⋅
15
91
=
4
⋅
5
+
71
92
=
5
!
−
1
⋅
4
⋅
7
93
=
14
⋅
7
−
5
94
=
5
−
1
⋅
47
95
=
(
17
+
4
)
⋅
5
96
=
5
4
+
71
97
=
5
!
−
(
4
!
−
1
7
)
98
=
41
+
57
99
=
5
!
−
14
−
7
100
=
7
4
+
51