3447
1
=
37
4
−
4
2
=
47
−
43
3
=
34
+
47
4
=
47
−
43
5
=
7
−
(
3
−
4
4
)
6
=
34
−
4
⋅
7
7
=
44
−
37
8
=
(
4
−
3
)
4
+
7
9
=
34
+
47
10
=
74
−
4
3
11
=
44
7
−
3
12
=
37
⋅
4
−
4
13
=
47
−
34
14
=
(
3
−
4
4
)
⋅
7
15
=
43
−
4
⋅
7
16
=
4
⋅
7
−
3
⋅
4
17
=
44
+
7
3
18
=
43
−
7
4
19
=
4
3
+
4
+
7
20
=
34
−
4
⋅
7
21
=
434
+
7
22
=
44
7
−
3
23
=
34
−
4
−
7
24
=
(
47
−
43
)
!
25
=
34
−
4
−
7
26
=
74
+
4
3
27
=
4
⋅
7
+
3
−
4
28
=
34
−
(
7
−
4
)
!
29
=
73
−
44
30
=
43
−
7
+
4
!
31
=
74
−
43
32
=
43
−
4
−
7
33
=
37
−
4
⋅
4
34
=
44
−
3
−
7
35
=
47
−
3
⋅
4
36
=
37
−
4
4
37
=
34
−
4
+
7
38
=
4
4
+
37
39
=
34
−
4
+
7
40
=
74
−
34
41
=
4
⋅
4
+
37
42
=
44
−
7
−
3
43
=
34
+
4
+
7
44
=
(
7
−
3
!
)
⋅
44
45
=
34
+
4
+
7
46
=
43
−
4
+
7
47
=
(
4
−
3
)
⋅
47
48
=
44
−
3
+
7
49
=
(
7
−
4
)
!
+
43
50
=
74
−
3
!
⋅
4
51
=
34
+
4
!
−
7
52
=
(
37
−
4
!
)
⋅
4
53
=
4
⋅
4
+
37
54
=
43
+
4
+
7
55
=
4
3
+
47
56
=
3
4
+
47
57
=
73
−
4
⋅
4
58
=
4
7
−
4
−
3
!
59
=
3
⋅
4
+
47
60
=
43
+
4
!
−
7
61
=
34
⋅
4
−
7
62
=
434
7
63
=
37
+
4
+
4
!
64
=
74
−
3
!
−
4
65
=
3
⋅
7
+
44
66
=
(
37
−
4
)
⋅
4
67
=
74
−
3
−
4
68
=
(
7
−
3
)
!
+
44
69
=
(
47
−
4
!
)
⋅
3
70
=
(
34
−
4
!
)
⋅
7
71
=
4
⋅
7
+
43
72
=
73
−
4
4
73
=
73
−
4
+
4
74
=
4
4
+
73
75
=
74
−
3
+
4
76
=
74
+
3
!
−
4
77
=
4
⋅
4
+
73
78
=
37
⋅
4
+
4
79
=
474
3
!
80
=
3
⋅
4
+
74
81
=
34
+
47
82
=
(
34
+
7
)
⋅
4
83
=
7
4
+
34
84
=
74
+
3
!
+
4
85
=
4
7
−
43
86
=
3
⋅
4
+
74
87
=
7
3
−
4
4
88
=
7
−
3
⋅
44
89
=
4
⋅
4
+
73
90
=
43
+
47
91
=
47
⋅
4
−
3
92
=
7
4
+
43
93
=
43
⋅
4
+
7
94
=
4
7
−
34
95
=
74
−
3
+
4
!
96
=
(
4
⋅
7
+
4
)
⋅
3
97
=
47
⋅
4
+
3
98
=
3
!
⋅
4
+
74
99
=
73
+
4
+
4
!
100
=
(
43
+
7
)
⋅
4