????????????????????????
????1???????????????????????500?????????
????????????????????????????????????10????2????????
????1?????????10?????9?????8????????????????
????1??????????15?????12???????????????????
????1?????12????10????8????10?????????????????1??
????250????50?????????????????????
????2?????????????????25???????????????
????150?????120?????100?????150?????150????10??????????
????50????????????????????????
????10???????1??