????:1?????vx:????200????

2????????50????

3?????

4???????

5?????????

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

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

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

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

????:?

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

??????:??

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

????????:???