4479
1
=
79
4
−
4
2
=
49
−
47
3
=
49
7
−
4
4
=
7
−
(
49
−
4
)
5
=
74
−
49
6
=
(
49
7
−
4
)
!
7
=
49
⋅
4
−
7
8
=
74
−
4
9
9
=
49
+
74
10
=
49
−
4
+
7
11
=
47
−
4
⋅
9
12
=
9
7
−
4
⋅
4
13
=
(
9
−
4
)
⋅
4
−
7
14
=
47
+
9
4
15
=
7
−
4
4
+
9
16
=
4
−
4
+
7
+
9
17
=
44
+
7
9
18
=
49
+
4
+
7
19
=
7
⋅
9
−
44
20
=
94
−
74
21
=
49
−
4
⋅
7
22
=
44
9
−
7
23
=
44
−
7
⋅
9
24
=
744
−
9
!
!
25
=
74
−
49
26
=
74
+
4
9
27
=
(
9
−
4
)
⋅
4
+
7
28
=
44
−
7
−
9
29
=
47
−
4
⋅
9
30
=
4
+
4
!
−
7
+
9
31
=
49
7
+
4
!
32
=
47
−
4
!
+
9
33
=
4
⋅
7
−
4
+
9
34
=
47
−
4
−
9
35
=
79
−
44
36
=
47
−
4
−
9
37
=
47
−
4
−
9
!
38
=
49
−
4
−
7
39
=
4
⋅
9
−
4
+
7
40
=
47
−
49
41
=
47
−
4
⋅
9
42
=
44
+
7
−
9
43
=
49
−
(
7
−
4
)
!
44
=
44
9
−
7
45
=
49
⋅
7
−
4
46
=
44
−
7
+
9
47
=
94
−
47
48
=
44
+
7
−
9
49
=
7
4
49
50
=
74
−
4
⋅
9
!
51
=
79
−
4
!
−
4
52
=
47
−
4
+
9
53
=
97
−
44
54
=
47
+
49
55
=
(
7
−
4
)
!
+
49
56
=
(
49
+
7
)
⋅
4
57
=
44
+
7
+
9
!
58
=
47
+
4
+
9
59
=
4
⋅
9
+
47
60
=
44
+
7
+
9
61
=
74
−
4
−
9
62
=
47
+
4
!
−
9
63
=
79
−
4
⋅
4
64
=
7
!
−
944
65
=
7
⋅
9
+
44
66
=
94
−
4
⋅
7
67
=
74
−
49
68
=
74
−
4
⋅
9
69
=
74
+
4
−
9
70
=
(
4
4
+
9
)
⋅
7
71
=
79
−
4
−
4
72
=
(
4
4
+
7
)
⋅
9
73
=
(
9
−
4
)
!
−
47
74
=
(
4
−
9
)
⋅
74
75
=
74
+
4
−
9
76
=
(
47
−
9
)
⋅
4
77
=
4
⋅
7
+
49
78
=
79
−
4
4
79
=
474
9
!
80
=
4
4
+
79
81
=
49
+
74
82
=
4
9
+
74
83
=
4
⋅
9
+
47
84
=
(
49
−
7
)
⋅
4
85
=
47
⋅
4
−
9
86
=
4
⋅
9
+
74
87
=
74
+
4
+
9
88
=
(
9
−
7
)
⋅
44
89
=
97
−
4
−
4
90
=
(
7
−
4
)
4
+
9
91
=
94
+
4
−
7
92
=
4
⋅
9
+
74
93
=
97
−
4
⋅
4
94
=
(
9
!
−
4
)
⋅
47
95
=
4
⋅
4
+
79
96
=
47
+
49
97
=
94
−
4
+
7
98
=
4
4
+
97
99
=
79
−
4
+
4
!
100
=
(
7
−
4
)
!
+
94