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ϻyƷ˾ijһŮϵxyƷI˾˾1992ݏҪ;ӪױƷ걣ƷԟļP?5RѸٵطչƷסȫʡУʮҺ͵һҹĻyƷ˾
1999ԭ۲θ۵ĸܾԭ۲ĸ۵ĸޱ۲κãչľؚйTӖOO涨ԱѵΣһfgһ·һڣÿr35졣еԱȡP^Zـͱ棬ٽϹ˾ʽۡÿζƸһЩҹʲμԁۡÿүѵεL?0ˣֻ10ԪӖЧsܴ
՟yƷCľҾ˾ʼoͲǰ˾ھѡΪŤתƣܾһҪܾҪԸķÿ֧
n۵ĸܾ۲ǷTӖݠּcܾۡ^TԭһεӖĿһΡޣĿǰžϵѣһϣͨüT֧˾ءĿǰ40λTDTܲüôʣµһ·ӖĿˡĿǰTнĴWIWУѾW۷֪RЩTӖȤҲܴһЩT䲻LJҵgSľˡҴˣTӖĿDzҪĿ֧ȡ
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ʲ?nbsp;WҪ һ Ԝ
ʿI ʿI
W 2 0.4% 2 0.5% 2 66%
Tʿ 272 67.32% -2 -3 267 66.75% -2 -3 262
ʿ 110 27.22% +3 113 28.25% +3 116 34%
15 3.71% 15 3.75% 15
5 1.24% 1.25% 5
404 100% 402 100% 400 100%
2ļϵ
ļϵxx136÷400x=40%
}ļϵ x = 40ˣ