6???????????????????18????????,??????????????????????????????,??????????,????????????,??“?????????????????????????????????????????”???,???????????????????????“?+”??????,?????????? ?? 6?18???,????????????,?????????,???????????????????,????,????“??????????????”???,???????????????????“??????+”?,?????????????? ??? 6?18???,??????(????)???????????,??????,?,????????“??????????????????????????????????????????”???,???“????????+”???,???????????????? ?? 6?18??,??????????????,?,????,????“??????????”??????,????????????“??+”???,???? ? 6??????????18??????,?????????????????????????????,??????,????????????????????????????,????????????“??????”???,?“?+”????????,?????? ?????????????????????????? 6????????18?????,????(??????)????,??,??,?“??????????????????????????????????”??????,??????????“???+”???,????? ???????? ????:?? “????????”????

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

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

2?????

3??????????????

4??????????

5???????????

6???????????????????18????????,??????????????????????????????,??????????,????????????,??“?????????????????????????????????????????”???,???????????????????????“?+”??????,?????????? ?? 6?18???,????????????,?????????,???????????????????,????,????“??????????????”???,???????????????????“??????+”?,?????????????? ??? 6?18???,??????(????)???????????,??????,?,????????“??????????????????????????????????????????”???,???“????????+”???,???????????????? ?? 6?18??,??????????????,?,????,????“??????????”??????,????????????“??+”???,???? ? 6??????????18??????,?????????????????????????????,??????,????????????????????????????,????????????“??????”???,?“?+”????????,?????? ?????????????????????????? 6????????18?????,????(??????)????,??,??,?“??????????????????????????????????”??????,??????????“???+”???,????? ???????? ????:??