2?12?????????,?,??????????????(?)?,?????????????????? ??? ????? 2??12?????,?,??????????????(?),??????????????,???????? ? ? 2???12??????????????,?????,?????????(??????),?????,???????????????????????? ? ????? 2????????????????12?????,??????????????,??????(??????),?,????????????????????? ?????????????? ????? 2??12?,?,???(??????????????),???,???????????????? ?????????????? ? ????????????:???? ??“????90????????”

?? (?????????)????

????:1?????90????????:?????

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

3???????

4????????60??

5???????????

2?12?????????,?,??????????????(?)?,?????????????????? ??? ????? 2??12?????,?,??????????????(?),??????????????,???????? ? ? 2???12??????????????,?????,?????????(??????),?????,???????????????????????? ? ????? 2????????????????12?????,??????????????,??????(??????),?,????????????????????? ?????????????? ????? 2??12?,?,???(??????????????),???,???????????????? ?????????????? ? ????????????:????