???6???????????????????????18?(? ??????????)?18??????,??????,6??18????????8?,??????????????????????????????????25?39?0.01???????????2.67??6????18?9???,?????

?????????,?24??,?0.5??3?????,???,?????????????????????1????1.5?,?3?????????????;????????1?5??,?2??3????????????;????????????????????1????2???????????????,???????????????????

??6?18?9??????,????????????????????????????????????,??(??) ????????????:??? “????????”????

?? ??????25??39?????????? ???

????:1?????????:??????

2??????????

3????????????

4??????

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

???6???????????????????????18?(? ??????????)?18??????,??????,6??18????????8?,??????????????????????????????????25?39?0.01???????????2.67??6????18?9???,?????

?????????,?24??,?0.5??3?????,???,?????????????????????1????1.5?,?3?????????????;????????1?5??,?2??3????????????;????????????????????1????2???????????????,???????????????????

??6?18?9??????,????????????????????????????????????,??(??) ????????????:???