????????????:?????
??????????????????2????3? ?,2?3??,??????,????????????????????????4~6?,??8?,????4~5??,????7~8????6~8????9~10??
????2?????3?????06???????????:?,2??3?08????4????????08?,?????????????????????????5~6?????????7~8?????????????,??????????????6~8????????????9~10????????????????????????????????????????????????????7~8???????????????????9??????????,??????????????????9????10??
?(2??3?08??-4???????????????????08?)??,????,??????????
????
2?3??08??4??????08??????,?????????????????????????????????????????????,??,????????????????????????????????????????4~6??,????,?????????????8~9???7~8???,????????9~10????
????(2??????3????08????????????-4????08??????????)2?4?????????08???????5?08????,???????????????????,?,????,????(10~19???)???????????????????????????????????????????????????????????????4~6????????????,????,????????????????????8~9????????7~8???????,?9~10????
?????(2?4??08?-5?08?)2??5????????08?6??08?,???????????????????????????????????????????????????????????????????????????????????????????????4~6?,????????,???????????8~9????????????????????????????????7~8?,????9~10??????????
?????????????(2????????5?08??-6????08????) ??:??
??