?? ?????????????????????
????:1?????????????:?????????
2???????????
3???????
4??????????
5???????
??12??5??????????????? (??????? ?????????????????????????????)????5?????,?????????????????????,??
?????????????????????,??3???????????????????«????»,??24???72?????,??????6??,?????
??????,?????????????,?300??????????????,????200????
???,?????????????????,?????????????
???3?????????,?????????????????????4????1????????????????,????????????????????????????????????6?????????4?????????????????(???) ?????????:??????????