????:1?????400?????:?????

2???????

3??????

4?????????

5?????????

9??????16???????????,????????????????????,?????????????????,?,??(??????????????)??? ????? ????? 9????????16???,??????????,????,??????????????,??????(???????????)????????????? ????? ? 9?16?,????????,?????????????????????,????????,???????????????(???????????)?????????????? ?????????????????????? ? 9??????16?,???????,????????????????????????????,??????????????,????????????????(??????????????????????)??? ?????????????????????? ??? 9????????16??????????????????????,?????????????????,????????,?,??????(?)??? ????????????? ???????? ??????:??