пWS}ǿµܶԞһy䌍vпĉS}һ͕lF䌍ҲǺy
ϳкܶLfӌڔWԇdz^ۣx}}߀㏊Ɍڴ}c֟oߣeĉS}]^
䌍S}yҲмsģvпS}һ㶼3С}M
(1)}÷0.8;
(2)}yһ߀njڳҎ}ͣ÷0.6c0.7֮g
(3)}^yҪ^÷Ҳ0.3c0.4֮g
ĽпS}ƫ÷ʷ0.5c0.6֮gƽ÷7ֻ8ɴ˿ҊS}Ҳ
ҽo n6000vˎNпWĉS}ͣnܶͬWӳҾͷoϣWyͬWЎ
1ǵӋcC}
пĽ}һǷփɵֵġһֻ϶һЩ}Йn}ĿڿAڶ_ʼֵy}@Щ}pյxHHګ@÷֔Ҫnj}^ʿ܊ĵӰ
2һԪηcκ
@һ}漰ĄӑBΆ}DyΆ}ycЕrһlo]뵽һ}ͿȎξC}fC}Ҫ̫ķnjӋԼ˱^ߵҪ
пW}һԪηcκwN֪RcoʽFһԪηcκ}УһԪη̽ⷨͨԺν}ķʽںyn}ͨЄeʽ͒タ֪RcY
3NCφ}
ДW漰ĺһκԼκ@}Ŀ̫y鉺S}Fһ㶼һЙn}Ŀ쿼һκԼп挦@}һҪʧ
4з̣M⑪}
пһ}Ŀfyyfyyеĕr¾˼·еĕr˼ڤܾҲ]뷨@з̻̽M⑪}̿fДWҪIJ֣Ҳпбؿ
ĽпYϕrcı^߀ҪһЩHԇ@}ĿҪôȫ֣ҪôһֲҲôN}ͣԿֻྚո}YһЩʽͿԏݑ
5ӑBc}
wfC}Ѓɂһǂ؎ηÎΈDε|Yϴ֪R졣һtǂش|ֻһcĿ˿Ӌ㹦
@ɷNҲ]к܇ķҰܶ}Ͷͨ^DѽoΈDΘc쌦@}rһҪСpُsԡ`ԡw˼
6ΈDεĚw{놖}
пӴˌw{Y@Ŀڔеϵy֪RҪвŕʽԴՉS}@w{Y}f˼ķҪġ
āԣbXӛ /zhongkao/712914.html
PxпW}˼ ҕ
пW}}ע֪
п俼ԣп
¸һWпΌWһ
пӢZ龰H}ָ