?? ????1+1??,??“?????”?
![](https://image.chezhanri.com/2019/0809/20190809155903289.jpg)
????:1????????????:??????
2????????
3??????????
4????????
5???????????
7????????????????4??????????????,??????????????????????????,?????????????????????????????????????????????????????????,?????“?????”?,????????? “????”?????,?????????????“??????”????????«????????1+1»???????,???????????,???????,????????“??????????????”?
?????????
?????????????????????????? ?????????????:???????????????,??????????????“??”????“??”????????????????,??,??????????????????,??????????????????????,?????????,??????????????,????,???????????
?????????:
?,?????????????????????????????,??????,???
????????????????????,??????????,????????????????,???
???????,?????????????????????????????,??????????????,?????????????????,????,??????????????????
?????
?? ?????????:?????,???????????,???????????,???????????,??,????,?????????,??????,?????????????,???????????????????????,??????
???
????????????? ????????:????,?????????????????,????,?????????????????“?????????”??????????????“???????”????????,?????????????????,????????????????,??????????,???????????????????,?????????????????,????????????????,???????????????????,???????????????
????
??? ??:?????????????????????????????????????????????????,????????????,??????,???????,????????????,?????????,????????????????,???
??????,?????,???????????,?????????????,???????????????,???????,????????????,??????????,?????,???????,???????????????????????????,??,??????????????,?????????????????? ?????????:?????