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

2?????400?????

3??????????

4??????150???

5?????200??

????9?????????4???? (?????????)“???????,???????????????????????????????????????????????,??30???,???????????,?????????????”???????

??????????????,???,??“????”?????,??,???????,????????????????????,??????,?????

???,???????????????????? ????(????)

?????????,???????????????????,??????????????????????,????????,???????

“???????????????,??????????,?,????????????????,???,??”??????

???????,??,????,??????,??????“?????”???????????????????????????????,?????

??100???,????,?????????????,?????????????,????

?????,??? ?????????? ??(??????)

20???????????,??,????,??????????????????????????????????????,??????“???+??+???”?,??,????

“??????????20??????????,????????????100??????,????????????????500?????????????,???6000?????????”???,??????????????????????????????????????????????????,????????????

??,????????????“????”???????????,??????,??????????????????????????????,???,??????????????,????“???”“??????????????????????”“??”,?????????????,????,????????????“??????????????????????????????????”???,????(???????????)

???????:??