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

????:????:?????100???

???6????????????????28?? ????:??????????????????28??8????,???????14?????

?????,??????????????10?????,???????????????18??;???????,???????????????????6100????5.8??????????????????,????????????????????340??????

?????????????????,6????????????,????????????4?????????????????????????-????????????

??????????,?????29??????????????

??5??????????????19?,????????????????????????????????,?50???????????????????,?????

??4???????????,???????????????,?50%?????????50%,????,????????????(??) ??????:?????????????