1????3?????10?????20????3?n??2000??????????????
????????????????????20146?????????n????????23????223.16???????
??????????7??????3?
???????????څ?2020????1?????
???????1?????6000?40%?60%??????2400??????
20155??????n??????????800?????110?p??]??2???????980?
???????????????????3?120???8.5????????????20???????500????????8.5?????30??????
()????????r??????????1000???????????
??????????????????????50???????4.1???5???????20????????????????????
???????????2000????200?????????????????????
??n??????????????????????????????????????
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