6669
1
=
69
6
−
6
2
=
66
6
−
9
3
=
69
−
66
4
=
96
⋅
6
6
5
=
6
−
9
6
−
6
6
=
(
69
−
66
)
!
7
=
9
−
6
+
6
6
8
=
66
+
6
9
9
=
66
+
6
+
9
10
=
96
6
−
6
11
=
66
(
9
−
6
)
!
12
=
66
−
6
⋅
9
13
=
6
6
+
6
+
9
!
14
=
66
6
+
9
15
=
96
−
6
6
16
=
66
9
−
6
17
=
96
+
6
6
18
=
96
⋅
6
−
6
19
=
6
6
+
6
⋅
9
20
=
66
6
+
9
21
=
6
⋅
6
−
6
−
9
22
=
66
9
−
6
23
=
6
!
6
⋅
6
+
9
24
=
6
!
−
696
25
=
?
26
=
9
6
−
6
6
27
=
6
+
6
+
6
+
9
28
=
66
9
+
6
29
=
6
!
6
⋅
6
+
9
30
=
96
−
66
31
=
?
32
=
?
33
=
69
−
6
⋅
6
34
=
6
⋅
6
−
6
9
35
=
6
9
−
6
6
36
=
6
6
9
−
6
37
=
6
9
+
6
6
38
=
6
⋅
6
+
6
9
39
=
6
⋅
6
−
6
+
9
40
=
6
!
(
9
−
6
)
⋅
6
41
=
6
!
9
+
6
6
42
=
6
⋅
9
−
6
−
6
43
=
?
44
=
66
⋅
6
9
45
=
6
!
96
6
46
=
6
!
6
9
+
6
47
=
?
48
=
66
−
6
⋅
9
49
=
?
50
=
?
51
=
6
!
−
669
52
=
?
53
=
6
⋅
9
−
6
6
54
=
9
!
!
−
666
55
=
6
6
+
6
⋅
9
56
=
6
!
−
6
6
9
57
=
69
−
6
−
6
58
=
(
6
9
)
6
−
6
59
=
?
60
=
96
−
6
⋅
6
61
=
?
62
=
?
63
=
66
+
6
−
9
64
=
66
−
6
9
65
=
66
−
6
9
!
66
=
6
⋅
9
+
6
+
6
67
=
6
9
!
+
66
68
=
69
−
6
6
69
=
66
−
6
+
9
70
=
6
6
+
69
71
=
?
72
=
(
9
−
6
)
!
+
66
73
=
?
74
=
666
9
75
=
66
+
6
+
9
76
=
6
!
−
6
⋅
6
9
77
=
?
78
=
66
+
6
+
9
!
79
=
6
!
9
−
6
6
80
=
(
6
−
6
+
6
)
!
9
81
=
66
+
6
+
9
82
=
?
83
=
9
!
6
!
−
6
6
84
=
96
−
6
−
6
85
=
9
!
6
!
+
6
6
86
=
6
⋅
6
!
9
+
6
87
=
?
88
=
?
89
=
?
90
=
96
−
6
⋅
6
91
=
?
92
=
6
!
9
+
6
+
6
93
=
9
6
+
66
94
=
?
95
=
96
−
6
6
96
=
96
6
⋅
6
97
=
6
6
+
96
98
=
?
99
=
66
6
⋅
9
100
=
6
!
−
6
!
6
9
!