1. :
1) ( ), ( ) , ( - , , ), ( ) , , ;
2) ( ) ( ), ( ) ( ) , , ;
3) , , ( );
4) , () () ( ) ( ) () () ( ) () () ( ) , 28, ( ) ( ), () () ( ) , , ( ) ( ), () () , , , () () ( ) , ;
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5) , () () , () () , 29, , () () , , ( () () ).
2. 1 , 1 , , 1 1 9, 1 , 31, .