????????????????11??????????22????????????? (?? ????????????????)?????20???????“???”????

???????????,????????????????????????????,????????????????????????,???????100????????????????????????,??

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

?????????????“Z??????????????”?????????????????????????,?????????????????????,??,????

?????????,?????????????????,????????????????(??????) ?????????:?????? ??“?????50???”????

?? ??????“??????”?????????

????:1??????50???:??????????

2???????

3???????

4?????????????

5?????????

????????????????11??????????22????????????? (?? ????????????????)?????20???????“???”????

???????????,????????????????????????????,????????????????????????,???????100????????????????????????,??

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

?????????????“Z??????????????”?????????????????????????,?????????????????????,??,????

?????????,?????????????????,????????????????(??????) ?????????:??????