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

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

??6????????13?? (?? ??)13????19????55??,???,????2?,??????????????????????????60??80??,??,3???100??,??

??? ??

?17?????????????,13?14??,???????????????????????????????????????????????,???????????????????????,????14????15??,???????????,????????15??16????,??????,?????????????????????????,????

??????,??????????????12??,?????????,???6???13?8??16??8????????,??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(????)?(???)

???:??