?? ??????????????
????:1?????VX:???????????
2???100????
3??????????
4??????????
5???400?4???????
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?????????????????????11??26?? (??? ??)?????????????????????????????????26?,???????????10?????????????????????1???????11??????????????25???????????????,?????????????????????2?,??195%???,60??????????,?82??
11?25?,?? ???? ?????????,?????????????????????????????????????????????????,???
????????,???????????,????11?25?????,????7???????????,????????????????100%;???????1???????????,????????????164%?
11????25??,?????? ?? ???????????????,?,???????????,?????????????,??????????????????,???????????????(????)
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