????:1??????????:????x22ppp

2??????

3??????

4?150?????????

5??????

?????2?????????????????????????????18?????? (??????? ?)?????????«??????????????????»(«??????????2»)18????

«??2»?????????«??»???????,??,???????????????,??????????????????????????????????????????????????,??????????????,?????“??”,?????“??”????18??????????????,???????????????????(???????)?????123?????,??21??????????????

2??18??????,?«???»??? ??? ??? ?????? ??????????????????

????????,????????????????,«??2»???????,?????????????????,????????,???????????,??????“?????????????????????????”?

?????,«??»???,????????«?????????????2»???????????,??,??????

«?????2»?,????“?????”“?”??????,???????????????,??“????”????,???“???‘??’”??????????

??????,?????????“???”(??????????????????????,?“??”)???,?????????????????,???,?????????????????“?«???????2»???”

????????,«?????»??,??????????????,??,?????????“1+1>2”?????

«??2»?????????????????????????????????????????,???????2??22?????????????(???)

?????:???????