??7??,??????6????????????????30??15??????

???15??,????,??,?????????????????????????????,?????3??1.5???????????

???????,??????????????“????????????????????”???“?????????????????????????????????????”???,??2????30??,???

(???? ?????? ? ?????????????????)

???:????

??“??????”????

?? ????????

????:1???????:???????

2??????

3??????????

4??????????

5????????

??7??,??????6????????????????30??15??????

???15??,????,??,?????????????????????????????,?????3??1.5???????????

???????,??????????????“????????????????????”???“?????????????????????????????????????”???,??2????30??,???

(???? ?????? ? ?????????????????)

???:????