4449
1
=
49
4
−
4
2
=
44
4
−
9
3
=
9
4
−
4
4
4
=
44
4
+
9
5
=
49
−
44
6
=
49
−
4
4
7
=
44
−
4
+
9
8
=
44
−
4
⋅
9
9
=
4
⋅
4
−
49
10
=
49
⋅
4
−
4
11
=
44
−
4
!
−
9
12
=
(
49
−
4
)
⋅
4
13
=
44
4
−
9
14
=
44
4
+
9
15
=
49
+
4
+
4
16
=
44
+
4
9
17
=
44
4
+
9
!
18
=
49
⋅
4
+
4
19
=
44
4
−
9
20
=
44
4
+
9
21
=
444
−
9
22
=
44
9
!
−
4
23
=
4
⋅
4
+
49
24
=
49
⋅
4
−
4
25
=
44
4
+
9
26
=
44
−
4
⋅
9
27
=
(
4
−
4
4
)
⋅
9
28
=
49
⋅
4
⋅
4
29
=
44
−
4
!
+
9
30
=
49
⋅
4
+
4
31
=
44
−
4
−
9
32
=
44
−
4
⋅
9
33
=
49
−
4
⋅
4
34
=
44
−
4
−
9
!
35
=
4
⋅
9
−
4
4
36
=
(
4
−
4
+
4
)
⋅
9
37
=
44
−
49
38
=
44
−
4
⋅
9
39
=
44
+
4
−
9
40
=
(
4
4
+
9
)
⋅
4
41
=
49
−
4
−
4
42
=
44
+
4
−
9
!
43
=
44
−
4
+
9
44
=
(
4
−
9
)
⋅
44
45
=
44
+
4
−
9
46
=
44
−
4
+
9
!
47
=
49
−
4
+
4
48
=
49
−
4
4
49
=
44
−
4
+
9
50
=
94
−
44
51
=
44
+
49
52
=
4
⋅
4
+
4
⋅
9
53
=
4
⋅
4
+
49
54
=
44
+
4
+
9
!
55
=
44
+
4
+
9
56
=
4
⋅
9
+
44
57
=
44
+
4
+
9
58
=
(
4
+
4
)
⋅
9
+
4
59
=
44
+
4
!
−
9
60
=
(
44
−
4
!
)
⋅
9
61
=
4
!
4
+
49
62
=
4
⋅
9
+
44
63
=
4
+
4
!
4
⋅
9
64
=
4
49
−
4
65
=
4
⋅
4
+
49
66
=
94
−
4
!
−
4
67
=
4
⋅
4
⋅
4
+
9
68
=
(
4
+
4
+
9
)
⋅
4
69
=
49
−
4
+
4
!
70
=
(
44
−
9
)
⋅
4
71
=
44
+
4
!
+
9
72
=
(
49
−
4
)
⋅
4
!
73
=
4
⋅
4
⋅
4
+
9
74
=
444
9
!
75
=
49
+
4
+
4
!
76
=
(
9
−
4
)
!
−
44
77
=
44
+
4
!
+
9
78
=
94
−
4
⋅
4
79
=
44
⋅
4
−
9
80
=
4
⋅
9
+
44
81
=
(
49
−
4
)
4
82
=
(
44
−
9
)
⋅
4
83
=
4
⋅
4
!
−
4
−
9
84
=
4
4
−
4
9
85
=
44
⋅
4
−
9
86
=
94
−
4
−
4
87
=
4
⋅
4
⋅
4
!
−
9
88
=
94
−
4
−
4
89
=
4
⋅
4
!
−
49
90
=
(
49
−
4
)
⋅
4
91
=
44
⋅
4
+
9
92
=
94
−
4
+
4
93
=
44
+
49
94
=
94
−
4
+
4
95
=
4
4
+
94
96
=
94
−
4
+
4
97
=
44
⋅
4
+
9
98
=
49
⋅
4
4
99
=
44
4
⋅
9
100
=
(
49
−
4
!
)
⋅
4