???

?,,??,???????,???,??? (?)?:????,???????,???,?????,():???????????????,():??????,?()?:??,?,60%?()?:????,???????,??,??;?,??????;??????,?,????,????,??????,?():????,()?:???????????,??????????,??;?,??,??,??,??,????,?,?????,??????,?,??,???,??????,??,????? (?):???,??,????,????1.?,?:????:?20,15,?15,9,??9,??9...

???????????????????????????????????????????????A?D????????????????20???????????????????????

????????????

?????
???????????4??

??????????????????

????????????????

??????????????

???????????
?????????????

???????????????????

??????

???
???
???
a.:????????????

???????N???
?
?:????
b.?:???????
???
???????
c.?:??????????

?????
???
???
????
??50g5...

??????????????????????????????

????????????????????????????????????????A?D????????

????????????????????????????

????????

1.???????????

2.?????????????????????????

3.????????????????

4.???????????????

5.???????????????????????????

6.???????4%??45?...

??????????? ?????????????? ??


??????!