????:1?????????????:?????app

2????????????

3?????????100??

4???????

5?????600

??????7??????13??????????(???)?????13??????????15????:????????,?????????????

7?13?16??,?????????14.52?????????????????????0.12??,?????11.49????????????0.29?,?????10.48??????????????????????0.48???

????????,???????,??11.10??????????????0.60????,?13.28??????????????2.28???????????????????

????????????????,?????,?24???????,?????????????????;?????,????????,??????;?,?????,?,?????(?????????????) ??:?????????