?? 25????????????? ???????
????:1?????:???????????
2????????
3????????????
4????????
5???????????
?6?????????????????9???????????? (?? ??)??9?????????????????????,6????????????8???,?25???6?9??8???????????????30??,24?,??????????????????1?????45?????????????????????????????????????????,????????
6????????????????8????????????????????????????,???????,????????????25?????????????????????????,6??????????8?????????????????????????????????????17?36??,????????????,?????????????????????????25??????,??????,????????????????
??,?????????????????6???????????9???????????????8?30??????????????,24??,??????????????????????????????1???????45???,?????
6????8?,??????????????,???????????????25????????????????,?25???????,????????,??????????,????????
???????????????????6?????????????????????9?????????????????????12???8??,???????????????????24?,23?,1?????????,???(??)
??:??