2020骞存禉姹熷叕鍕�(w霉)鍝¤娓�(c猫)鏁�(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(7鏈�9鏃�)
鐎忚
鏀惰棌
2020骞存禉姹熷叕鍕�(w霉)鍝¤娓�(c猫)鏁�(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(7鏈�9鏃�)
1.鍔犳补绔欐湁150鍣告苯娌瑰拰102鍣告煷娌�锛屾瘡澶╅姺(xi膩o)鍞�12鍣告苯娌瑰拰7鍣告煷娌广€傚晱(w猫n)澶氬皯澶╁悗锛屽墿涓嬬殑鏌存补鏄墿涓嬬殑姹芥补鐨�3鍊�( )
A.9 B.10 C.11 D.12
2.鐢层€佷箼銆佷笝涓夊€�(g猫)杈﹀叕瀹ょ殑鑱峰伐鍙冨姞妞嶆ü(sh霉)娲诲嫊(d貌ng)锛屼笁鍊�(g猫)杈﹀叕瀹や汉鍧囨妯�(sh霉)鍒嗗垾鐐�4銆�5銆�6妫�锛屼笖涓夊€�(g猫)杈﹀叕瀹ゆ妯�(sh霉)绺芥暩(sh霉)褰兼鐩哥瓑銆傚晱(w猫n)閫欎笁鍊�(g猫)杈﹀叕瀹ょ附鍏辫嚦灏戞湁澶氬皯鑱峰伐( )
A.37 B.53 C.74 D.106
3.鏈嶈搴楄卜(m菐i)閫�(j矛n)涓€鎵圭瑁�锛屾寜姣忓鐛插埄50%瀹氬児(ji脿)璩�(m脿i)鍑洪€欐壒绔ヨ鐨�80%鍚�锛屽張鎸夊畾鍍�(ji脿)鐨勫叓鎶樺皣鍓╀笅鐨勭瑁濆叏閮ㄨ常(m脿i)鍑�锛岀附鍒╂饯(r霉n)姣旈爯(y霉)鏈熸笡灏戜簡390鍏冿紝鍟�(w猫n)鏈嶈搴楄卜(m菐i)閫�(j矛n)閫欐壒绔ヨ绺藉叡鑺变簡澶氬皯鍏�( )
A.5500 B.6000 C.6500 D.7000
4.鏌愪汉瑕佸緸A甯傜稉(j墨ng)B甯傚埌C甯�銆傚緸A甯傚埌B甯傜殑鍒楄粖(ch膿)寰炴棭涓�8榛�(di菐n)璧锋瘡30鍒嗛悩涓€鐝紝鍏ㄧ▼琛岄涓€灏忔檪(sh铆);寰濨甯傚埌C甯傜殑鍒楄粖(ch膿)寰炴棭涓�9榛�(di菐n)璧锋瘡40鍒嗛悩涓€鐝�锛屽叏绋嬭椐�1灏忔檪(sh铆)30鍒嗛悩;鍦˙甯傜伀杌�(ch膿)绔欐彌涔橀渶鐢ㄦ檪(sh铆)15鍒嗛悩銆傚鏋滄兂鍦ㄥ嚭鐧�(f膩)鐣�(d膩ng)澶╀腑鍗�12榛�(di菐n)鍓嶅埌閬�(d谩)C甯�锛屽晱(w猫n)浠栨湁骞剧ó涓嶅悓鐨勪箻杌�(ch膿)鏂瑰紡( )
A.3 B.2 C.5 D.4
5.鏌愬柈浣嶈寰�8鍚嶈伔鍝′腑閬告淳4浜哄幓绺藉叕鍙稿弮鍔犲煿瑷�(x霉n)锛屽叾涓敳鍜屼箼鍏╀汉涓嶈兘鍚屾檪(sh铆)鍙冨姞銆傚晱(w猫n)鏈夊灏戠ó閬告淳鏂规硶( )
A.40 B.45 C.55 D.60
婧Θ鎻愮ず锛�榛�(di菐n)鎿婁笅闋�(y猫)鍙煡鐪�2020骞存禉姹熷叕鍕�(w霉)鍝¤娓�(c猫)鏁�(sh霉)閲忛棞(gu膩n)绯绘瘡鏃ヤ竴绶�(7鏈�9鏃�)绛旀銆�2020骞存禉姹熷叕鍕�(w霉)鍝¤€冭│鏅�(sh铆)闁撶偤7鏈�26鏃�锛屽缓璀板悇浣嶈€冪敓浣跨敤鐠�(hu谩n)鐞冪恫(w菐ng)鏍� 鍏嶈不(f猫i)闋�(y霉)绱勭煭淇℃彁閱�鏈嶅嫏(w霉)锛岄爯(y霉)绱勬垚鍔熷彲鍦ㄧ瓎瑭︽檪(sh铆)闁撳埌渚�(l谩i)鏅�(sh铆)鐛插緱鐭俊閫氱煡锛屾彁閱掑ぇ瀹跺仛濂借€冭│婧�(zh菙n)鍌�銆�
1.銆愯В鏋愩€慏銆傝В娉曚竴(鏂圭▼娉�)锛氳ō(sh猫)缍�(j墨ng)閬�(gu貌)x澶╁悗锛屽墿涓嬫煷娌规槸鍓╀笅姹芥补鐨�3鍊�锛屽墖鍙垪鏂圭▼寰�102-7x=3(150-12x)锛岃В寰梮=12銆傚洜姝闋�(xi脿ng)姝ｇ⒑銆�
瑙ｆ硶浜�(鍊嶆暩(sh霉)鐗规€ф硶)锛氬叾瀵�(sh铆)瑙ｆ硶涓€涓殑鏂圭▼涓嶉渶瑕佹眰瑙�锛屽彧闇€閫氶亷(gu貌)鍒嗘瀽鍏朵腑铇�(y霉n)鍚殑鍊嶆暩(sh霉)鐗规€у嵆鍙⒑瀹氱瓟妗�銆傜敱“102-7x=3(150-12x)”鍙煡锛�102-7x鑳借3鏁撮櫎锛屽張102鑳借3鏁撮櫎锛屽彲鐭�7x涔熻兘琚�3鏁撮櫎锛屽墖x鑳借3鏁撮櫎锛屾摎(j霉)姝ゆ帓闄銆丆鍏╅爡(xi脿ng)銆傜敱绛夊紡鍙抽倞“3(150-12x)”涓€瀹氭槸鍋舵暩(sh霉)浠ュ強102涔熸槸鍋舵暩(sh霉)鍙緱锛�7x蹇呭畾鏄伓鏁�(sh霉)锛屽嵆x蹇呭畾鏄伓鏁�(sh霉)锛屾摎(j霉)姝ゆ帓闄闋�(xi脿ng)锛岄伕鎿嘍闋�(xi脿ng)銆�
瑙ｇ瓟涓�(鍊嶆暩(sh霉)鐗规€ф硶)锛氬姞娌圭珯涓€鍏辨湁娌�150+102=252(鍣�)锛屾瘡澶╅姺(xi膩o)鍞�12+7=19(鍣�)锛宯澶╁悗鍓╀笅(252-19n)鍣�銆傜敱“鍓╀笅鐨勬煷娌规槸鍓╀笅鐨勬苯娌圭殑3鍊�”鍙煡锛屽墿涓嬬殑娌归噺鑳借4鏁撮櫎锛屽嵆252-19n鑳借4鏁撮櫎銆傚張鐢�252鑳借4鏁撮櫎鍙煡锛�19n鑳借4鏁撮櫎锛屽墖n鑳借4鏁撮櫎锛孌闋�(xi脿ng)绗﹀悎姊濅欢锛岀暥(d膩ng)閬�銆�
2.銆愯В鏋愩€慉銆傝浣夸笁鍊�(g猫)杈﹀叕瀹ょ殑鑱峰伐绺芥暩(sh霉)鏈€灏�锛岄渶浣垮悇杈﹀叕瀹ょ殑妞嶆ü(sh霉)绺芥暩(sh霉)鏈€灏�锛屽張鍚勮睛鍏鐨勬妯�(sh霉)绺芥暩(sh霉)褰兼鐩哥瓑锛屽彲鐭ュ悇杈﹀叕瀹ゆ妯�(sh霉)绺芥暩(sh霉)鎳�(y墨ng)鐐�4锛�5锛�6鐨勬渶灏忓叕鍊嶆暩(sh霉)60銆傞€欐ǎ鍚勮睛鍏鐨勮伔宸ョ附鏁�(sh霉)鍒嗗垾鐐�60÷4=15(浜�)锛�60÷5=12(浜�)锛�60÷6=10(浜�)锛岀附鍜岀偤15+12+10=37(浜�)锛孉闋�(xi脿ng)姝ｇ⒑銆�
3.銆愯В鏋愩€慍銆傝ō(sh猫)姣忎欢绔ヨ鐨勯€�(j矛n)鍍�(ji脿)鐐簒锛岄€�(j矛n)璨ㄩ噺鐐�100浠躲€傜敱“绺藉埄娼�(r霉n)姣旈爯(y霉)鏈熸笡灏戜簡390鍏�”鍙煡锛岄€欏€�(g猫)390鍏冨嵆鏄墿涓嬬殑100×20%=20(浠�)绔ヨ鎸夊叓鎶樿常(m脿i)鍑烘檪(sh铆)鐨勫埄娼�(r霉n)椤嶆瘮闋�(y霉)鏈熷埄娼�(r霉n)椤嶇殑娓涘皯閲�銆傚嵆鐐�20×(1+50%)x-20×(1+50%)x×80%=6x=390锛岃В寰梮=65銆傚墖璨�(m菐i)閫�(j矛n)閫欐壒绔ヨ绺藉叡鑺变簡65×100=6500(鍏�)锛孋闋�(xi脿ng)姝ｇ⒑銆�
4.銆愯В鏋愩€慏銆傜敱“寰濧甯傚埌B甯傜殑鍒楄粖(ch膿)寰炴棭涓�8榛�(di菐n)璧锋瘡30鍒嗛悩涓€鐝�锛屽叏绋嬭椐涗竴灏忔檪(sh铆)”鍙煡锛屽埌閬�(d谩)B甯傜殑鏅�(sh铆)闁撳彲鑳芥槸9锔�00锛�9锔�30锛�10锔�00锛�10锔�30……鐢�“寰濨甯傚埌C甯傜殑鍒楄粖(ch膿)寰炴棭涓�9榛�(di菐n)璧锋瘡40鍒嗛悩涓€鐝紝鍏ㄧ▼琛岄1灏忔檪(sh铆)30鍒嗛悩”鍙煡锛岄洟闁�(k膩i)B甯傜殑鏅�(sh铆)闁撳彲鑳芥槸9锔�00锛�9锔�40锛�10锔�20……瑕佹兂鍦ㄥ嚭鐧�(f膩)鐣�(d膩ng)澶╀腑鍗�12榛�(di菐n)鍓嶅埌閬�(d谩)C甯傦紝閭ｄ箞闆㈤枊(k膩i)B甯傜殑鏅�(sh铆)闁撳繀闋堝湪10锔�30涔嬪墠锛屽彲寰椾笅鍒楁彌涔樻檪(sh铆)闁撹〃锛�
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5.銆愯В鏋愩€慍銆傚緸绺介伕娉曟暩(sh霉)涓墧闄ょ敳銆佷箼鍚屾檪(sh铆)鍙冨姞鐨勯伕娉曟暩(sh霉)鍗崇偤鎵€姹�銆傚緸8浜轰腑閬稿嚭4浜哄弮鍔犲煿瑷�(x霉n)锛屽叡鏈�70(绋�)閬告硶銆傜敳銆佷箼鍚屾檪(sh铆)鍙冨姞鐨勯伕娉曟暩(sh霉)鐐�15(绋�)(鐢�銆佷箼蹇呭畾鍙冨姞锛岀劧鍚庡啀?g貌u)姘栵集?浜轰腑閬稿嚭2浜哄弮鍔犲嵆鍙�)銆傚墖鐢�銆佷箼涓嶅悓鏅�(sh铆)鍙冨姞鐨勯伕娉曟暩(sh霉)鐐�70-15=55(绋�)锛孋闋�(xi脿ng)姝ｇ⒑銆�
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