????:1??????qq?:???????vx

2???????????

3???100??????

4??????100????

5????????????

??9????????????????27? (????? ?)??27????????????????,????,????????????19.4?????,??2.77??????????????????

??????????,???????80%,????15.26??????????,????????????????????????20%????,????

??????10???????????1??,????????????10???5???????????????????,??????????????????????????9??30??,??????????????,??,????????,???????

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