2019骞存郸涓滄柊鍖轰腑鑰冩暟瀛﹂娴嬪嵎 涓銆佸~绌洪锛堟湰澶ч鍏14棰橈紝姣忛3鍒嗭紝婊″垎42鍒嗭級1锛庤绠楋細= 锛2锛庣偣A锛3锛4锛夊叧浜巟杞寸殑瀵圭О鐐瑰潗鏍囨槸 锛3锛庡垎瑙e洜寮忥細= 锛4锛庝笉绛夊紡缁勭殑瑙i泦鏄 锛5锛庡鏋滄柟绋嬫湁涓や釜鐩哥瓑鐨勫疄鏁版牴锛岄偅涔坢鐨勫兼槸 锛 6锛庡鏋滅偣A锛坅锛4锛夊湪鍙屾洸绾夸笂锛岄偅涔堢偣A鐨勫潗鏍囨槸 锛7锛庝竴娆″嚱鏁皔=2x+4鐨勫浘璞′笌鍧愭爣杞存墍鍥存垚鐨勪笁瑙掑舰鐨勯潰绉瓑浜 锛8锛庡凡鐭ュ嚱鏁帮紝閭d箞= 锛 9锛庘滃惊鐜禌鈥濇槸鎸囧弬璧涢夋墜闂撮兘瑕佷簰鐩告瘮璧涗竴娆$殑姣旇禌鏂瑰紡锛庡鏋滀竴娆′箳涔撶悆姣旇禌鏈墄鍚嶉夋墜鎶ュ悕鍙傚姞锛屾瘮璧涙柟寮忛噰鐢ㄢ滃惊鐜禌鈥濓紝閭d箞杩欐涔掍箵鐞冩瘮璧涘叡鏈 鍦猴紟 10锛庡湪鈻矨BC涓紝涓嚎AD绛変簬12cm锛岄偅涔堣繖涓笁瑙掑舰鐨勯噸蹇僄鍒伴《鐐笰鐨勮窛绂绘槸 cm锛11锛庢褰㈢殑涓ゅ簳涔嬫瘮涓3鈭4锛屼腑浣嶇嚎闀夸负21cm锛岄偅涔堣緝闀跨殑涓鏉″簳杈归暱绛変簬 cm锛 12锛庡崐寰勫垎鍒负3cm鍜7cm鐨勪袱鍦嗙浉鍒囷紝閭d箞鍦嗗績璺漝鏄 cm锛 13锛庡湪鐭╁舰ABCD涓紝AB=m锛孊C=4锛屸垹B涓庘垹C鐨勫钩鍒嗙嚎鐩镐氦浜庣偣P锛屽鏋滅偣P鍦ㄨ繖涓煩褰㈢殑鍐呴儴锛堜笉鍦ㄨ竟AD涓婏級锛岄偅涔坢鐨勫彇鍊艰寖鍥存槸 锛 14锛庡湪鈻矨BC涓紝AB=AC=5cm锛屸垹A=30掳锛屾妸杩欎釜涓夎褰㈢粫鐫鐐笰鏃嬭浆锛屼娇寰楃偣B钀藉湪鐐笴鐨勫師鏉ヤ綅缃锛岀偣C钀藉湪鐐瑰锛岄偅涔堢偣涓庣偣B鍘熸潵浣嶇疆鐨勮窛绂讳负 cm锛浜屻侀夋嫨棰橈紙鏈ぇ棰樺叡4棰橈紝姣忛3鍒嗭紝婊″垎12鍒嗭級銆愪笅鍒楁瘡棰樼殑鍥涗釜閫夐」涓紝鏈変笖鍙湁涓涓槸姝g‘鐨勶紝鎶婃纭瓟妗堢殑浠e彿濉叆鎷彿鍐呫15锛庝笅鍒楁柟绋嬩腑锛屾槸浜屽厓浜屾鏂圭▼鐨勬槸鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙 锛 锛圓锛夛紱锛圔锛夛紱锛圕锛夛紱锛圖锛夛紟16锛庝笅鍒楀懡棰樹腑锛岀湡鍛介鏄︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙 锛 锛圓锛夋棤鐞嗘暟鐨勫钩鏂逛竴瀹氭槸鏈夌悊鏁帮紱 锛圔锛夋棤鐞嗘暟涓庢棤鐞嗘暟鐨勫拰涓瀹氭槸鏃犵悊鏁帮紱 锛圕锛夋棤鐞嗘暟涓庢湁鐞嗘暟鐨勫樊涓瀹氭槸鏃犵悊鏁帮紱 锛圖锛夋棤鐞嗘暟涓庢湁鐞嗘暟鐨勭Н涓瀹氭槸鏃犵悊鏁帮紟17锛庡鏋淎D鏄柍ABC鐨勯珮锛孉B=AC锛岄偅涔堚垹B鐨勬鍒囩瓑浜庘︹︹︹︹︹︹︹︹︹︹︼紙 锛 锛圓锛夛紱 锛圔锛夛紱 锛圕锛夛紱 锛圖锛夛紟18锛庝袱涓瓑鍦嗙殑鍏垏绾挎暟涓嶅彲鑳芥槸鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙 锛 锛圓锛1鏉★紱 锛圔锛2鏉★紱 锛圕锛3鏉★紱 锛圖锛4鏉★紟涓夈侊紙鏈ぇ棰樺叡3棰橈紝姣忛8鍒嗭紝婊″垎24鍒嗭級19锛庤绠楋細锛20锛庡鍥撅紝PA涓庘姍O鐩稿垏浜庣偣A锛孭C缁忚繃鍦嗗績O锛屽苟 浜も姍O浜庣偣B銆丆锛孭A=4锛孭B=2锛屾眰鈭燩鐨勪綑寮﹀硷紟 21锛庢煇鏍280鍚嶅垵涓夊勾绾у鐢熷弬鍔犵幆淇濈煡璇嗙珵璧涳紝闅忔満鎶藉彇閮ㄥ垎瀛︾敓鐨勬垚缁╋紙寰楀垎鍙栨暣鏁帮級杩涜鍒嗘瀽锛岃繖浜涙垚缁╂暣鐞嗗悗鍒嗘垚浜旂粍锛岀粯鍒舵垚棰戠巼鍒嗗竷鐩存柟鍥撅紙濡傚浘锛夛紝鍥句腑浠庡乏鍒板彸鍚勫皬缁勭殑灏忛暱鏂瑰舰鐨勯珮涔嬫瘮鏄1鈭3鈭6鈭4鈭2锛屾渶鍙宠竟涓缁勭殑棰戞暟鏄12锛庤鏍规嵁鎵缁欑殑淇℃伅鍥炵瓟涓嬪垪闂锛锛1锛夋娊鍙栧鐢熸垚缁╃殑鏁伴噺涓 锛锛2锛夋垚缁╃殑涓綅鏁拌惤鍦 鍒嗘暟娈典腑锛锛3锛夋娊鏍锋垚缁╄秴杩80鍒嗙殑瀛︾敓浜烘暟鍗犳娊鏍蜂汉鏁 鐨勭櫨鍒嗘瘮鏄 锛锛4锛夌敱姝や及璁¤繖娆$珵璧涙垚缁╄秴杩80鍒嗙殑鍒濅笁瀛 鐢熶汉鏁扮害涓 鍚嶏紟鍥涖侊紙鏈ぇ棰樺叡3棰橈紝姣忛10鍒嗭紝婊″垎30鍒嗭級 22锛庡鍥撅紝鍦≧t鈻矨BC涓紝鈭燗CB=90掳锛岃竟AC鐨勫瀭鐩村钩鍒嗙嚎EF浜C浜庣偣E锛屼氦AB浜庣偣F锛孊G鈯B锛屼氦EF浜庣偣G锛 姹傝瘉锛欳F鏄疎F涓嶧G鐨勬瘮渚嬩腑椤癸紟 23锛庣敳銆佷箼涓ゅ渚垮埄搴楀埌鎵瑰彂绔欓噰璐竴鎵归ギ鏂欙紝鍏25绠憋紝鐢变簬涓ゅ簵鎵澶勭殑鍦扮悊浣嶇疆涓嶅悓锛屽洜姝ょ敳搴楃殑閿鍞环鏍兼瘮涔欏簵鐨勯攢鍞环鏍兼瘡绠卞10鍏冿紟褰撲袱搴楀皢鎵杩涚殑楗枡鍏ㄩ儴鍞畬鍚庯紝鐢插簵鐨勮惀涓氶涓1000鍏冿紝姣斾箼搴楀皯350鍏冿紝姹傜敳涔欎袱搴楀悇杩涜揣澶氬皯绠遍ギ鏂欙紵 24锛庡凡鐭ユ姏鐗╃嚎涓巟杞翠氦浜嶢锛坸1锛0锛夊拰B锛坸2锛0锛変袱鐐癸紝鍏朵腑鐐笰鍦ㄧ偣B鐨勫乏杈癸紝椤剁偣涓篊锛屼笌y杞翠氦浜庣偣D锛岋紟 锛1锛夋眰m鐨勫彇鍊艰寖鍥达紱 锛2锛夋眰浠ヨ繖鏉℃姏鐗╃嚎涓哄浘璞$殑鍑芥暟瑙f瀽寮忥紱 锛3锛夎瘯姣旇緝鈭燙BD涓庘垹ADO鐨勫ぇ灏忓叧绯伙紝骞惰鏄庣悊鐢憋紟 浜斻侊紙鏈ぇ棰樺彧鏈1棰橈紝婊″垎12鍒嗭級 25锛庡鍥撅紝鍦≧t鈻矨BC涓紝鈭燙=90掳锛屸垹B=30掳锛孊C=4锛庡乏鍙冲仛骞宠绉诲姩鐨勭瓑杈逛笁瑙掑舰DEF鐨勪袱涓《鐐笶銆丗濮嬬粓鍦ㄨ竟BC涓婏紝DE銆丏F鍒嗗埆涓嶢B鐩镐氦浜庣偣G銆丠锛庡綋鐐笷涓庣偣C閲嶅悎鏃讹紝鐐笵鎭板ソ鍦ㄦ枩杈笰B涓婏紟 锛1锛夋眰鈻矰EF鐨勮竟闀匡紱 锛2锛夊湪鈻矰EF鍋氬钩琛岀Щ鍔ㄧ殑杩囩▼涓紝鍥句腑鏄惁瀛樺湪涓庣嚎娈礐F濮嬬粓鐩哥瓑鐨勭嚎娈碉紵濡傛灉瀛樺湪锛岃鎸囧嚭杩欐潯绾挎锛屽苟鍔犱互璇佹槑锛涘鏋滀笉瀛樺湪锛岃璇存槑鐞嗙敱锛 锛3锛夊亣璁剧偣C涓庣偣F鐨勮窛绂讳负x锛屸柍DEF涓庘柍ABC閲嶅彔閮ㄥ垎鐨勯潰绉负y锛屾眰y涓巟鐨勫嚱鏁拌В鏋愬紡锛屽苟鍐欏嚭瀹冪殑瀹氫箟鍩燂紟 2005骞存郸涓滄柊鍖轰腑鑰冮娴嬪嵎鍙傝冪瓟妗堝強璇勫垎璇存槑涓銆1锛庯紱 2锛庯紙3锛-4锛夛紱 3锛庯紱 4锛庯紱 5锛庯紱6锛庯紙锛4锛夛紱 7锛4锛 8锛庯紱 9锛庯紱 10锛8锛 11锛24锛 12锛4鎴10锛13锛巑>2锛 14锛5锛浜屻15锛嶣锛 16锛嶤锛 17锛嶥锛 18锛嶢锛涓夈19锛庤В锛氬師寮=鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙3鍒嗭級 =鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 =鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 =-1锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級20锛庤В锛氳繛缁揙A锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭礟A涓庘姍O鐩稿垏浜庣偣A锛屸埓OA鈯A锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 璁綩A=r锛岀敱鍕捐偂瀹氱悊锛屽緱 锛庘︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 瑙e緱 r=3锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭碠P=5锛孉P=4锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭达紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級21锛庯紙1锛96锛涳紙2锛70.5~80.5锛涳紙3锛37.5%锛涳紙4锛105锛庘︹︹︹︹︹︹︹︹︹︼紙姣忓皬棰2鍒嗭級鍥涖22锛庤瘉鏄庯細鈭礒F鈯C锛孊C鈯C锛屸埓EF鈭C锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭礎E=CE锛屸埓AF=FB锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 鈭碈F=AF=FB锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 鈭碘垹AFE=鈭燝FB锛屸垹AEF=鈭燝BF锛屸埓鈻矨EF鈭解柍GBF锛庘︹︹︹︹︹︹︼紙2鍒嗭級 鈭达紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭达紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭碈F鏄疎F涓嶧G鐨勬瘮渚嬩腑椤癸紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級23锛庤В锛氳鐢插簵杩涜揣x绠遍ギ鏂欙紝閭d箞涔欏簵杩涜揣锛25-x锛夌楗枡锛庘︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鏍规嵁棰樻剰锛屽緱锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙4鍒嗭級 鏁寸悊锛屽緱锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 瑙e緱锛岋紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙2鍒嗭級 缁忔楠岋細锛岄兘鏄師鏂圭▼鐨勬牴锛屼絾涓嶇鍚堥鎰忥紝鑸嶅幓锛 鈭达紟鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 绛旓細鐢插簵杩涜揣10绠遍ギ鏂欙紝涔欏簵杩涜揣15绠遍ギ鏂欙紟鈥︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級24锛庤В锛氾紙1锛夆埖鎶涚墿绾夸笌x杞翠氦浜嶢銆丅涓ょ偣锛屸埓锛庘︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭磎<1锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 锛2锛夋牴鎹鎰忥紝寰 锛岋紝鈥︹︹︹︹︹︼紙1鍒嗭級 鈭达紟鈥︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 瑙e緱m=-3锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭存墍姹傚嚱鏁扮殑瑙f瀽寮忎负锛庘︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 锛3锛夆垹CBD=鈭燗DO锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 璁撅紝瑙e緱锛 鈭寸偣A鐨勫潗鏍囦负锛-1锛0锛夛紝鐐笲鐨勫潗鏍囦负锛3锛0锛夛紟鈥︹︹︹︹︹︹︹︼紙1鍒嗭級 鍙堚埖锛屸埓鐐笴鐨勫潗鏍囦负锛1锛-4锛夛紟鈥︹︹︼紙1鍒嗭級 鐐笵鐨勫潗鏍囦负锛0锛-3锛夛紟 鈭碅O=1锛孌O=3锛孉D=锛孊C=锛孋D=锛孊D=锛 鈭达紟 鈭粹柍ADO鈭解柍CBD锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭粹垹CBD=鈭燗DO锛 浜斻25锛庤В锛氾紙1锛夆埖鈭燚CE=60掳锛屸垹B=30掳锛屸埓鈭燙DB=90掳锛庘︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭礏C=4锛屸埓CD=2锛屽嵆鈻矰EF鐨勮竟闀跨瓑浜2锛庘︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 锛2锛塁F=GD锛 鈥︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 璇佹槑锛氣埖BC=4锛孍F=2锛屸埓BE=2-CF锛 鈭碘垹DEF=60掳锛屸垹B=30掳锛屸埓鈭燘GE=30掳锛庘︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭粹垹BGE=鈭燘锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭碐E=BE=2-CF锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭碊G=2-GE=2-(2-CF)=CF锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 锛3锛夆埖鈭燚GH=鈭燘GE=30掳锛屸垹D=60掳锛屸埓鈭燚HG=90掳锛庘︹︹︹︹︹︼紙1鍒嗭級 鈭达紝锛 鈭碨鈻矰HG=锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鑰孲鈻矰EF=锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 鈭磞=S鈻矰EF- S鈻矰HG=锛 鍗虫墍姹傚嚱鏁扮殑瑙f瀽寮忎负锛庘︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級 瀹氫箟鍩熶负锛庘︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︹︼紙1鍒嗭級
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