???????????????

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

?1??????????7? (?? ??)1?7?,?6.8??????????????????????????????,?????????????????,??????

???,??????,??????????,?????????,????,????????,????????????

?????,??????????????10??1??????????,10???????20?????????????????????????????????????????????1????????????????,20?????50?????4??????????????????????4???1?7?????10??43?,??????????????

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