?????????2??????????21?????????????? (???????????????)??????????21????????????????,??,??????????????,??????,??????�?????????????????�??,???

????????????????????????,????????????????????????????????,??,?????????;?,?????????�????�???,????;??????????????,?,???????????

???????,????????????????????????????????????????,???????????????????,??????????16??,??23????,??????????13???????????????????35????????45??,?????????50%?

??,??????????,?????????;?????????????????,????????????????????,?????????????????????????????1????????????,????????????????(??) ????:?????????? ??�??????�????

?? ????????�???�????????????

????:1???????:??????????

2??????

3????????500???

4?????

5???????

?????????2??????????21?????????????? (???????????????)??????????21????????????????,??,??????????????,??????,??????�?????????????????�??,???

????????????????????????,????????????????????????????????,??,?????????;?,?????????�????�???,????;??????????????,?,???????????

???????,????????????????????????????????????????,???????????????????,??????????16??,??23????,??????????13???????????????????35????????45??,?????????50%?

??,??????????,?????????;?????????????????,????????????????????,?????????????????????????????1????????????,????????????????(??) ????:??????????