??????? ??????????? ???????????????

?????????????????? ??????????

????????????????????????????С?????????????????????????????????棬?????????????!

1)??????(???)+????+????+?μ???

?????????????????????????????????,????????????5???÷??????????????,??????????????????????Щ???,?????????????????,???????С???????????????????!

2)??????(???)+????+????+??????

??????????????????????????,???????????????????????????,???????????Ч??,?????????????絹?????

3)??????(???)+????+???????+?μ???

??????似??????????????,?????????????????????????????50??????????,???????!

???????

1)??????(???)+????+????+?μ???

?????????????1:25,?????????????1:31,??????????,????????!

2)??????(???)+????+?????+??????

????????????1:25,????????1:32,???????????????

3)??????(???)+????+???????+?μ???

????????????1:28,?????????????1:34,??????????硣

????????????????????????? ??????????????????????????????