7788
1
=
78
78
2
=
88
−
7
−
7
3
=
87
−
78
4
=
7
−
88
−
7
5
=
8
−
7
7
+
8
6
=
87
−
78
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7
=
8
−
8
7
−
7
8
=
(
7
−
7
)
⋅
8
+
8
9
=
87
−
78
10
=
78
−
8
7
11
=
88
−
77
12
=
7
−
8
+
8
+
7
13
=
77
−
8
⋅
8
14
=
7
+
7
−
8
+
8
15
=
8
−
7
7
+
8
16
=
88
−
7
+
7
17
=
7
7
+
8
+
8
18
=
8
+
8
+
7
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7
19
=
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20
=
7
⋅
7
⋅
8
+
8
21
=
88
−
7
⋅
7
22
=
78
−
7
⋅
8
23
=
7
⋅
7
+
8
+
8
24
=
7
7
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8
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8
25
=
7
7
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8
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8
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26
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27
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28
=
(
8
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8
)
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7
⋅
7
29
=
78
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7
8
30
=
7
+
7
+
8
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8
31
=
87
−
7
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8
32
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8
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7
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7
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8
33
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7
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7
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8
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8
34
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8
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7
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35
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7
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7
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8
37
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38
=
87
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7
8
39
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88
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7
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7
40
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41
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7
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8
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7
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8
42
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7
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7
43
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44
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45
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7
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8
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7
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47
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7
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8
48
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7
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8
49
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51
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52
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53
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77
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54
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55
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7
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8
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7
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8
56
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8
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8
57
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7
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58
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59
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60
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61
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77
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8
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8
62
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63
=
78
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7
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8
64
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(
7
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7
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8
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8
65
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7
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8
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8
66
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67
=
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68
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69
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77
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8
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8
70
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78
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7
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71
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7
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7
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8
72
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87
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8
73
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77
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8
74
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88
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7
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75
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8
76
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8
77
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77
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78
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78
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78
79
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78
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8
80
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87
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8
81
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8
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8
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77
82
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7
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7
8
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8
83
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84
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85
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8
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8
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77
86
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87
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7
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87
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87
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87
88
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87
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7
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8
89
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7
7
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88
90
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(
7
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7
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8
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!
8
91
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7
!
7
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8
8
92
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93
=
77
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8
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8
94
=
(
87
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7
)
8
95
=
7
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7
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88
96
=
?
97
=
(
7
+
8
)
⋅
7
−
8
98
=
7
!
7
8
+
8
99
=
?
100
=
?