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?????????????????????????????к?70%Ч???????30%Ч??????????輼????????50%??????????????????ó???????? 50%*160%=80%??????80%*70%=56%????????80%*30%=24%?????20%??miss????????????????50%????????????????????????????????????????????????????????????????????????ó???4????????????????????100????????????????

?????????????δ??????????????????????? ????????????????????????????????????100%/160%=62.5%???????????У????????70%?????30%??????????????100?????????70%*100-30%*25=59.5

????????????????50%??????????????е???46%???????????????50%????????????22%??miss ?????28%???????50%*100-22%*25?????45?? ????????????е???50%????????????е???31.25%????50%?????????35%?????????15%??????? 35%*100-15%*25=31.25????????????????????????????????????????????miss?????????????????????????????????е??????????????????????????????????????????????

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