1. ................................................................................................................... 8 ................................................................................................................... 9 ............................................................................................... : ...................................................................................................... = ............................................................................................................. = ........................................................................................ ;7 ........................................................................................................... ;7 ( ) ........................................................................................................... ;7 ..................................................................................................................... 78 ......................................................................................................... 78 ........................................................................ 78 () ............................................................................... 78 ....................................................................................................... 777 ................................................................... 777 () ................................................................. 777 ....................................................................................................... :