: 1 2 3

60 [: 1 2 3 4 All]
( )-60- .. [: 1 2 3 4 5 6 7 8 9 10 All]
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(10, 20, 30, ... ) !

60- . [: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 All]
1980
!!!
!
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... () [: 1 2 3 4 5 6 7 8 9 All]
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5 - ͨ " " !!!

1998 10
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15 - .
(9 1997)
?