????:1???????:??????????

2????????

3???400???

4?400????????

5?????????

“????3??????????????,?????”

???????,????????“??・???????????????”???,???????,????????“??????????”????????? ?????????,??,????????????????????????????,??????,????????????????????????? “???????,??‘7’?????????????????……???,?????????????????????????????”?????????

?????????,???????????????,???????????????????????????????,????????????????????“??”“????????”,???????????????????????,??????????????????????????????????,???????“?????????????”?????,???,???“????”? ????,?????,?,?????????????????????????????,????,??,???????????????????? ????????????????????,????????????????????????,??????????????????????????????????;??,???????????

“??????‘??+??’?????????,?????????????,????????????????‘??????????’?????????,?????????????????????????????,????‘????’????????,????????‘???’???????????”????????(?????????? ??????????? ??????????????) ??????????:?????