?? ???????????1000???
????:1???????:??????
2???????
3??????
4?????????
5??????
????10???25???????? (?? ??)?????25????,???????12???,?1000??
???????6?30???????,???????????,??,??????????,10????1???15.5???????????????,????,???
?,??,???????????“????????????”,??????????????????“?????????+???????????????????????”???,??????6??,??,??????????????????????????????????“???????????????”????,????????(?????)
?????????????????????????:???