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?12?18?? ??,???????,?,?????????????????????????????,?,????????18-19??????????:19-21??????????????????

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19???????????21?,????,???????????4~6?,?????????????????????????6~8?;????????????2~4???????4~6??,?????????????7~8????,??????8~9??????????6~8?????9??,? 8~9 ??????????????????????????10-11???

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18?,??????????????????,??????2~4???,18?????08???????19??08??????????,?????????????5~7??????????????8~10??;????????????????????????????????????????????7~8???9~10?????,???????????????????9????10~11???12????18?6????????????????

???????????????????????(12????????18??8??????????-19??????????8?)

?,18?19??????,?????????,??????,????????????????

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12?18?????????????8????????19??????8?,??????????????????????????????????????????????,??????,???????????(5~7?????)?????????,???????????????????????4~6?,???????,??7~8??????

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12???????????19?8????20??????????8???????????????,??????????????????????????????????????????????????????????????????????4~6???????????

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12??20??????????????8?21??8?,????????????????????????????????,?????????????????,??????(5~8???????????)?????????????????????????????????????????4~6?????

??(12???????20?????8????-21??8??????????) ???????:??