һQڳˌƈWַ1Wψ" />
QڳˌƈWַʲô?ںkҽy(tng)һͬW(lin)ϵWУվώָ
1Wψ
䛺ʡkҹپWע~̖Mɿϵy(tng)Ϣ־ԸϢ
2U{M
ύϢϵy(tng)ʾrgȣWU{M@ҪעUMrgroЧ
3F(xin)_JϢ
Ҏ(gu)ĕrgصĽTF(xin)_JϢҪǿWϢǷ`ˈYɼCϢָyϢƬϢ
1ԇĿ
ZWZ
ZI(y)n(I(y))
2ԇrg
10·wrgώ֪ͨ
3ȡ֔
ֶ͌450ȡ֔һ130ÿI(y)һһ㶼150ҡĶпǰoҲÓͨ^ʣֻҪǰąӿǰoԇͨ^]І}
(1)Wψrg94-911ա
(2)Ϣ_Jrg97-911
ϳ˸߿WMӴβͬI(y)ͬWMҲͬwWM˜£
(-2.5)Ŀ1100—1300Ԫ/꣬1200—1900Ԫ/;
t(y)W(3)2300Ԫ/;
Ӌϳ˸߿WMϔֳڌWƼ()ʷI(y)WM飺1100*2.5=2750Ԫt(y)WČI(y)tdz3()WƣԳ5˸߿WWM