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

??????

1?????н???????????????10???????

2???????γ??10??????????1??????????????

3????????????????????????????1????7??????????

4????????????????????????????????????????

5??????????????:(??????-1000)????????????

6????????????????A???????????????????

????:???????100?,??????????10?????,???????????????????1500,?????10?????,??????????500X10=5000????

???????

1????????????????A?????????????????￡????????????????????????

2?????????????????????????ι???????????????????(??????*100-1000)???磺???????????12???????1????????200????

3?????????????????????????????;???????????