Число и цифра 7

1
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??????????? ??????? 2000
2
???? ?25
????? ? ????? 7
3
5
6
gt
4
7
7
5
7
6
7
7
7
7
8
(No Transcript)
9
(No Transcript)
10
lt
lt
lt
lt
lt
lt
1 2 3 4 5 6 7
11

7
7
12
5 7 7 7
4 7 0 7
7 3 3 7
lt
lt
lt
lt
lt
lt
lt
0 1 3
7
2
4
5
6
13
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7
7
14
????????? ?
15
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