?? ???????? ???????2.2???????
????:1??????????:????????
2?????
3???????????
4???????
5????????????
??1???7??????????????????????????? (??? ??????????? ??)????7????,??6.8????????????????,?????????????????????????2.2??????????????????????
????????????????????,1??7??9????????????5??????????????,????????(???????????28.50?????????,??????????????87.45??)????????????????????6.8??,????10???????,???????????????
?????????????,????????????,?????????????,?????????
?1500??????
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