11??????????????50% ????????

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

?????11????????30???????? (???? ??)???????????????30???????,11?????50%,??0.2?,????6???????50%???????????????,????

????????????????,??,?????0.3???????????0.9??????????????????????;????????????????;????????????????????????????????????????????????????????????????????????????

?,11??????????,?????????????????50%,????????????????????????????????????,??,????60%???????????????,???;?????52%??,??;???????????55%?????,???????????,??????????????

?????????????????,??,????,??,??????????????????????????????,???11???????????????,????,??????(??????) ???????????:???