1?????????????4???,???36?????,??????????????,??????????????????????????????????????????12????????????????30?60???2??????????????2????????????0.5?????,???????????????????????????,????,???

? ????????

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

“??????”????

?? ???????????36???????????? 12?

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

2?????150??????

3???150????

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

5???????

1?????????????4???,???36?????,??????????????,??????????????????????????????????????????12????????????????30?60???2??????????????2????????????0.5?????,???????????????????????????,????,???

? ????????

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