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

2??????????

3????????

4??????????

5?????????150???

???1??7? (???????? ?????????????????????? ?)???????????????7??,????6.8??,?????????????????????????????????????????????????2.2?????????????

?,1???????????????7??????????????9???????????5???,?(?????28.50????,??87.45???????????)????6.8?,?????????10????????????????????????????????????????????????,???

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

????????????????????1500???

??????,????????????,??????????????????????????2.2?,?????????,???(?????????????????????) ???:?????????