?? ?????“????”?????????????
????:1???????:?????????
2???????
3??????????
4?????QQ?
5???????
????9?????16????? (????? ?????????????)“??????????”“???”“???”……????????,???????,????,???????,“??”?????,????,???????“?”??????
?????????“?”? ?????? ????????????“??”“?????????”“???????????”??????“???????”???“???????????,??????,??????,????”??????
??????????«?»??,????100???????100???????0.5???????????
“???‘?????????’?,??????”?,???????,????????,???????????,?????????,??????
“???????????‘??’‘??????’?????”??????????????,????????????“??????”?????????????????????????????????,?????????????“?”????????,????,???,??,??????????,????????????,???????????
«?????»???,???50?????,??????????????????????25????????????????,??????????????,??????????????,????,??????“????”????,??????,?1/4????????1/8??,???????????????,?????????????,??????????????????????????,????????,????????,?????????(????)
?????:??????????????