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

????:??????:??????

?????1?7?? (? ?????)1???????????7????????????????,????6.8????????????,????,??

???????,????????????????????,??,?,???,???,???

???,??????????????????10?????????????1?????,10?????20?1??????????,20?50?4????????????????????????????????????????????????????????4???????????????1??????????7?10?43??????????????,???????????????????????????????????

???????????????????????????,?????????????????????,????????????(?) ??????????:?????????