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

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