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

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

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

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

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

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

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

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