??????????? ???????

????????1?22???? (? ??)????22?,????,??????????????????????????

?????,?,?????????

???????????????,23???????????????27???????????????,????????????,??,??????????????????????????????????????????,??????3?8cm,??????????????????????12cm???

“??????????????????”??,????,????????????,????????????????????????,??????????8????????12?,?????,?????????????????14??????????????????,???4???????????????????6??,?????????????7??????9???28?,?????

??,??????????,?????,????????????24????27??????,25?,???????????????????,?????????????????????,??,???????????????????????(????) ?????????????:????