4779
1
=
49
7
7
2
=
49
+
7
7
3
=
74
+
7
9
4
=
7
⋅
9
−
47
5
=
79
−
74
6
=
47
+
7
9
7
=
47
−
7
+
9
8
=
47
+
9
7
9
=
74
+
7
9
10
=
97
−
4
+
7
11
=
77
49
12
=
47
+
97
13
=
77
−
4
9
14
=
49
7
+
7
15
=
(
9
−
7
)
⋅
4
+
7
16
=
7
⋅
9
−
47
17
=
94
−
77
18
=
79
−
7
4
19
=
7
−
4
+
7
+
9
20
=
77
+
9
4
21
=
49
+
7
+
7
22
=
4
⋅
9
−
7
−
7
23
=
97
−
74
24
=
7
⋅
9
−
47
!
25
=
9
!
7
!
−
47
26
=
97
+
7
4
27
=
74
+
7
9
28
=
77
−
49
29
=
4
!
+
7
+
7
−
9
30
=
79
−
7
4
31
=
47
−
7
−
9
32
=
79
−
47
33
=
(
7
−
(
7
−
4
)
)
!
+
9
34
=
77
−
9
4
35
=
49
−
7
−
7
36
=
79
−
7
4
37
=
74
9
−
7
38
=
4
⋅
7
+
7
+
9
39
=
(
7
+
9
)
⋅
4
+
7
40
=
(
7
7
+
9
)
⋅
4
41
=
77
−
4
⋅
9
42
=
49
⋅
7
−
7
43
=
47
−
7
+
9
44
=
77
−
4
!
−
9
45
=
47
+
7
−
9
46
=
47
−
7
+
9
!
47
=
47
9
−
7
48
=
49
−
7
7
49
=
47
−
7
+
9
50
=
97
−
47
51
=
79
−
4
⋅
7
52
=
97
+
7
4
53
=
477
9
54
=
774
−
9
!
!
55
=
(
9
−
7
)
⋅
4
!
+
7
56
=
49
⋅
7
+
7
57
=
47
+
7
+
9
58
=
74
−
7
−
9
59
=
77
−
4
⋅
9
60
=
7
⋅
9
+
4
−
7
61
=
74
−
7
−
9
!
62
=
77
−
4
!
+
9
63
=
47
+
7
+
9
64
=
77
−
4
−
9
65
=
77
−
4
⋅
9
66
=
77
−
4
−
9
67
=
77
−
4
−
9
!
68
=
79
−
4
−
7
69
=
97
−
4
⋅
7
70
=
77
−
49
71
=
497
7
72
=
74
+
7
−
9
73
=
79
−
(
7
−
4
)
!
74
=
74
9
−
7
75
=
74
+
7
−
9
!
76
=
74
−
7
+
9
77
=
(
4
−
9
)
⋅
77
78
=
74
+
7
−
9
79
=
77
−
4
+
9
!
80
=
94
−
7
−
7
81
=
74
+
7
⋅
9
82
=
77
−
4
+
9
83
=
747
9
84
=
49
+
77
85
=
(
7
−
4
)
!
+
79
86
=
774
9
87
=
94
−
7
⋅
7
88
=
77
+
4
+
9
89
=
4
⋅
9
+
77
90
=
74
+
7
+
9
91
=
97
−
(
7
−
4
)
!
92
=
77
+
4
!
−
9
93
=
94
−
7
7
94
=
(
9
−
7
)
⋅
47
95
=
7
7
+
94
96
=
79
+
4
!
−
7
97
=
7
!
+
9
!
7
!
+
4
!
98
=
7
⋅
7
+
49
99
=
(
7
⋅
7
+
4
)
⋅
9
100
=
97
−
4
+
7