??
1??????22?????????,???????,????????????????,1?23???????????27?????????????,?,?????????????????,??????????????????????????????????????????????????????????????????????????????3???????8cm,??????????????????????????????12cm??????????????????,????,????????????,?,?????,??????8????12?,?????????????????????14???,????????????4????6??,?7???????????????9???1??????????26???????27????,?6?????8?????
?,?,???,????,??,?,?????????(??)
?:?????
?????????
??????????????? ?????????????????????????