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