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

1. ???????????

??λ???????????????????????????????????????

1???????????????“??”???????????????

2?????“???”?????????????????????????????100????

2. ??????

??????????????5??10??20??100??1000????????100????1000??????????????????100?????1000?????????????

3. ?????

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

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

1?? ?????????????????50????????????15??????????150???

2?? ?????????????????30???????????20??????????100???

3?? ?????????????????50???????????4??5????????????100???

4?? ????????????QQ????????????????????????????????????100????

?????RMB??????????????????????????????????棬?????????Щ??????У????????????????????????????RMB??????????????

4. ????

?????????????????????????佫??????????з??????????????????

5. ????

???????μ??У??????п??????????????????????“????”????????????У????п????????????????????????

???????п??????????????????????

6. ???

?????????????趨??????????趨?100??

??ι?????????50??

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

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

????????????? = ????????? + 50 - ???????????

???????????

???????25??

???????? = ????????? + 25