4799
1
=
47
9
−
9
2
=
9
−
49
7
3
=
97
−
94
4
=
49
7
−
9
5
=
99
−
74
6
=
(
97
−
94
)
!
7
=
9
⋅
9
−
74
8
=
9
−
49
7
9
=
99
4
+
7
10
=
49
7
+
9
11
=
97
+
4
9
12
=
9
7
−
4
+
9
13
=
94
−
9
7
14
=
7
⋅
9
−
49
15
=
94
−
79
16
=
49
7
+
9
17
=
(
9
−
7
)
⋅
4
+
9
18
=
(
4
+
7
−
9
)
⋅
9
19
=
79
−
9
4
20
=
47
−
9
⋅
9
21
=
49
7
⋅
9
22
=
79
+
9
4
23
=
99
−
7
4
24
=
(
7
−
9
9
)
⋅
4
25
=
99
−
74
26
=
(
9
−
4
)
⋅
7
−
9
27
=
9
7
−
4
⋅
9
28
=
49
⋅
9
+
7
29
=
47
−
9
−
9
30
=
79
−
49
31
=
94
−
7
⋅
9
32
=
(
9
9
+
7
)
⋅
4
33
=
49
−
7
−
9
34
=
9
⋅
9
−
47
35
=
47
−
9
−
9
36
=
7
+
9
4
⋅
9
37
=
9
⋅
9
−
7
4
38
=
47
−
9
⋅
9
39
=
49
−
7
−
9
40
=
49
⋅
7
−
9
41
=
47
−
9
+
9
42
=
49
7
⋅
9
!
43
=
79
−
4
⋅
9
44
=
47
−
9
9
45
=
49
−
7
+
9
46
=
47
−
9
9
47
=
47
−
9
+
9
48
=
97
−
49
49
=
7
9
−
49
50
=
9
9
+
47
51
=
49
−
7
+
9
52
=
99
−
47
53
=
47
−
9
+
9
54
=
(
9
−
(
7
−
4
)
)
⋅
9
55
=
(
7
+
9
)
⋅
4
−
9
56
=
74
−
9
−
9
57
=
(
4
⋅
7
−
9
)
⋅
9
58
=
49
⋅
7
+
9
59
=
47
+
9
+
9
60
=
(
4
+
7
+
9
)
⋅
9
61
=
97
−
4
⋅
9
62
=
74
−
9
−
9
63
=
49
7
⋅
9
64
=
79
−
4
!
+
9
65
=
47
+
9
+
9
66
=
79
−
4
−
9
67
=
79
−
4
⋅
9
68
=
74
−
9
+
9
69
=
4
!
⋅
7
−
99
70
=
49
⋅
9
+
7
71
=
99
−
4
⋅
7
72
=
79
−
49
73
=
74
−
9
9
74
=
74
−
9
+
9
75
=
9
9
+
74
76
=
7
⋅
9
+
4
+
9
77
=
9
9
+
74
78
=
94
−
7
−
9
79
=
(
4
−
9
)
⋅
79
80
=
74
−
9
+
9
81
=
9
4
+
7
−
9
82
=
97
−
4
!
+
9
83
=
9
⋅
9
+
74
84
=
79
−
4
+
9
85
=
4
⋅
9
+
79
86
=
49
+
79
87
=
4
9
+
79
88
=
99
−
4
−
7
89
=
74
+
9
!
+
9
90
=
97
−
49
91
=
4
⋅
9
+
79
92
=
74
+
9
+
9
93
=
99
−
(
7
−
4
)
!
94
=
79
+
4
!
−
9
95
=
94
+
7
−
9
!
96
=
94
−
7
+
9
97
=
4
⋅
9
+
79
98
=
(
9
−
7
)
⋅
49
99
=
4
⋅
9
+
7
⋅
9
100
=
(
4
+
9
)
⋅
7
+
9