(1/2)ҳ
ڶ죬춼δ
СѾѵغ֪ܶСҪʦԵ֮¶˱ģСûȥֻͣһԵĿֲ
һƻء
ǿĻС׳һ֮£νİʦͬˣСöˣΪʦֻҪܹѧʦһĻСţԼδشͷ
İ
ڼʶһ֮СбҲûνŮˣʵȣŮ˲
ʱһת۾ȥˣСܹԶһ°ҰԵӰתһ飬ͷ
Եߵ˻СǰеҲֹͣתһ̣ŵ۾ҲǼ
Ұʦɱ̻Һܶණܽ㶫࣬ҪͨҵĿҲףΪҲߡԵ˵ǰƽ
ʱԵԽûԸҲûĽеıϴǦijһûгʵıƽˮ
ԿʼˣʮȦʮ屶
Ե赭дƳһۻСߵһԵһ£еĶսһսν֪֪˷ܰսʤеĶսħָƣȴԶսһ㶼˽⡣
ԣҪ
˴ħͷΪʲôҪǶ飬ԭΪ߲ûʲôãŷ֣þģľԣͨ
Сű۵Եҧҧʮ屶ʼòײᣬζܷ
ֻǺһܵȦʱоԼֲȥˣڵھȦʱɫʼףÿһ嶼ҡҡ
֣ĥԼѾֵ˵ھȦڷĻǺûпʼʲô𡱾ڻСֲȥʱͻȻ
Сһ٣͵һҧǰȥ
ŷij֣һԴԵҲԼ˫ۣʥһʼûпԬĬʦ˶ڲ²ⰽСС˵ĻʵԣԵҲ֪ԬĬʦDzǴħͷǣ
ԵԼĹͷԼδͷӦÿˡ
Ȧ
Ȧ
ʣһǧ
СѾˮʪŻʣһǧײľ룬⣬ùġ
㿪ʼҲھȦֲȥҲߵһĻαؼֵڡ˵
С
(1/2)ҳ,һҳĶ
ǩĶ