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

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

3???????app

4???????400??

5????????

????2?17?? ??,??17???

??10?(2?7-16????),???????????????????????????,??

????10?,???????,??1~2?,??????????????????????????????????????????3?????????

??10??(2??????17-26??),????????????10~30??,????????????????40~80?,?100????,?????????4~8??,??

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?10?????,??????,????,???????,?????????????????1~2??

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17??,??????????,???????????????????????4~6???????????????????????????????4~6????????????7~8??;??????????????????????????7????????????????????8??,?????8??????????????????9??????????

17-23??????,?????????,???????????????????????????????

????????????????11-14????(2???27??3?2????????????),?????????????????????????????????5~15????????????,?20?;?????????????

????????????????10????????????,???,???????????????????????????40~80?,???????100??,??????????4~8??17-23?,??????????????????,???????????????????

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