2020骞村畨寰藉叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)瀛搁亱绠楃反缈掗(3鏈�10鏃�)
2020骞村畨寰藉叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)瀛搁亱绠楃反缈掗锛�
1銆佹瘡骞翠笁鏈堟煇鍠綅閮借绲勭箶鍝″伐鍘籄銆丅鍏╁湴鍙冨姞妞嶆ü娲诲嫊锛屽凡鐭ュ幓A鍦版瘡浜哄線杩旇粖璨�20鍏�锛屼汉鍧囨妯�5妫�锛屽幓B鍦版瘡浜哄線杩旇粖璨�30鍏�锛屼汉鍧囨妯�3妫�锛岃ō鍒癆鍦版湁鍝″伐x浜猴紝A銆丅鍏╁湴鍏辨妯箉妫�锛寉鑸噚涔嬮枔婊胯冻y=8x-15锛岃嫢寰€杩旇粖璨荤附鍜屼笉瓒呴亷3000鍏冩檪锛岄偅涔�锛屾渶澶氬彲妞嶆ü澶氬皯妫�?
A銆�498
B銆�400
C銆�489
D銆�500
2銆佷粖骞存槸闆炲勾锛屽叕姝峰勾鏁�(sh霉)鐐�2017锛屽皬鐜嬬櫦(f膩)鐝�(xi脿n)锛屽湪鏈締鍗佸勾鍏�(n猫i)鐨勬煇涓€骞�锛屼粬骞撮健鐨勫钩鏂规暩(sh霉)姝eソ鏄偅骞寸殑鍏骞存暩(sh霉)锛屽墖灏忕帇鐨勫爆鐩哥偤( )
A. 鐗� B. 铏�
C. 鍏� D. 榫�
E. 铔� F. 棣�
G. 缇� H. 鐚�
3銆佹煇娆¤粛浜嬫紨缈掍腑锛屼竴鏋剁劇浜烘鍋滃湪绌轰腑灏嶄笁鍊嬪湴闈㈢洰妯欓粸閫茶鍋靛療銆傚凡鐭ヤ笁鍊嬬洰妯欓粸鍦ㄥ湴闈笂鐨勯€g窔鐐虹洿瑙掍笁瑙掑舰锛屽叐鍊嬮粸涔嬮枔鐨勬渶閬犺窛闆㈢偤600 绫炽€傚晱鐒′汉姗熻垏涓夊€嬮粸鍚屾檪淇濇寔500 绫宠窛闆㈡檪锛屽叾椋涜楂樺害鐐哄灏戠背?
A.300
B.400
C.500
D.600
榛炴搳涓嬮爜鏌ョ湅2020骞村畨寰藉叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)瀛搁亱绠楃反缈掗鍙冭€冪瓟妗�
1銆併€愮瓟妗堛€慍銆傝В鏋愶細鏂规硶涓€锛氱敱浜庡叡妞嶆ü妫垫暩(sh霉)y=8x-15锛屽彲鐭ュ埌A鍦版妯逛汉鏁�(sh霉)x瓒婂ぇ锛屾妯规5鏁�(sh霉)瓒婂銆侫鍦版瘡浜烘妯�5妫�锛屽叡妞�5x妫碉紝鍓嘊鍦板叡妞峺-5x=3x-15妫�锛岀敱浜嶣鍦板钩鍧囨瘡浜烘妯�3妫�锛屽墖鍘籅鍦板叡鏈墄-5浜�銆傛牴鎿�(j霉)杌婅不涓嶈秴閬�3000鍏�锛屾湁20x+30(x-5)≤3000锛岃В寰梮鏈€澶у彇63锛屽叡妞嶆ü8×63-15=489妫�锛屾晠閬窩銆�
鏂规硶浜岋細鍟忛姹傝В鏈€澶氬彲妞嶆ü鐨勬5鏁�(sh霉)锛屼緷椤屽彲鐭鑸噚涔嬮枔婊胯冻y=8x-15锛屼緷鎿�(j霉)鏁撮櫎鐗规€у彲鐭�锛寉+15鍙互琚�8鏁撮櫎锛屽嵆閬搁爡+15鍙互琚�8鏁撮櫎锛岀祼鍚堥伕闋呮豢瓒宠姹傜殑鍙湁C閬搁爡锛屾晠绛旀閬窩銆�
鏂规硶涓夛細鍟忛姹傝В鏈€澶氬彲妞嶆ü鐨勬5鏁�(sh霉)锛屼緷椤屽彲鐭鑸噚涔嬮枔婊胯冻y=8x-15锛�8x鐐哄伓銆�15鐐哄锛屼緷鎿�(j霉)濂囧伓閬嬬畻闂滅郴鍙煡y鐐哄锛岄伕闋呬腑鐐哄鐨勫彧鏈塁閬搁爡锛屾晠绛旀閬窩銆�
2銆併€愮瓟妗堛€慔銆傝В鏋愶細鍟忛姹傝В灏忕帇鐨勫爆鐩�锛岄偅涔堟垜鍊戦渶瑕佺煡閬撳皬鐜嬬殑骞撮健锛岄骞蹭腑宸茬煡寰�2017骞撮枊濮�锛屾湭渚嗗崄骞翠腑鐨勬煇涓€骞�锛屼粬鐨勫勾榻$殑骞虫柟鏁�(sh霉)姝eソ鏄偅骞寸殑鍏骞存暩(sh霉)锛屼篃鍗�2017骞村埌2027骞�锛屾牴鎿�(j霉)骞虫柟鏁�(sh霉)鐨勭壒寰�锛屽湪2017鍒�2027涔嬮枔婊胯冻瑕佹眰鐨勫彧鏈�2025锛屽嵆45鐨勫钩鏂�锛屾晠灏忕帇鍦�2025骞寸偤45姝诧紝鎵€浠ュ皬鐜�1980骞村嚭鐢�锛岀敱浜�2017骞存槸闆炲勾锛屾墍浠�1980骞存槸鐚村勾锛屾墍浠ュ皬鐜嬪爆鐚淬€�
3銆併€愮瓟妗堛€慏銆傝В鏋愶細椤屽共涓凡鐭ラ姗熷埌涓夊€嬬洰妯欓粸妲嬫垚鐨勫钩闈㈢殑璺濋洟鐐哄畾鍊硷紝涓旈姗熻垏涓夊€嬮粸淇濇寔鐨勮窛闆㈢浉鍚�锛岄偅涔堥姗熷湪瑭插钩闈㈢殑鎶曞奖榛炶垏涓夊€嬬洰妯欓粸鐨勮窛闆㈢浉绛�锛屽鍦栨墍绀�锛岃ō椋涙鍦ㄨ┎骞抽潰鐨勬姇褰辩偤O榛烇紝A銆丅銆丆鍒嗗垾琛ㄧず涓夊€嬬洰妯欓粸锛屽墖浠榛炵偤鍦撳績锛孉B(鍗崇浉璺濇渶閬犵殑榛�)鐐虹洿寰戠暙鍦�锛屽叾涓瑿榛炲湪鍦撳姬涓�(鍥犵偤鐩村緫鎵€灏嶇殑鍦撳懆瑙掓槸鐩磋锛屾墍浠ヤ笁瑙掑舰ABC涓€瀹氭槸鐩磋涓夎褰�锛屾豢瓒抽鎰�)銆傚洜鐐篈B=600锛孫鏄疉B涓粸锛屾墍浠B=300锛岃€岄姗熷埌B榛炵殑璺濋洟鐐�500锛屾晠鏍规摎(j霉)鍕捐偂瀹氱悊锛�“鍕句笁鑲″洓寮︿簲”鍙煡椋涜楂樺害鐐�400绫�(椋涙鑸囧湴闈㈢浉璺濈殑璺濋洟鐨勫钩鏂�=5002-3002=1600)鏁呯瓟妗堢偤D銆�
浠ヤ笂鏄�2020骞村畨寰藉叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)瀛搁亱绠楃反缈掗(3鏈�10鏃�)鐨勫収(n猫i)瀹�锛屽缓璀板悇浣嶈€冪敓瑾嶇湡闁辫畝锛屾彁鍓嶅倷鑰冦€傛韩棣ㄦ彁绀猴細鐐哄強鏅傜嵅寰�2020骞村畨寰藉叕鍕欏摗鐪佽€冨叕鍛婄櫦(f膩)甯冩檪闁�銆佸牨鍚嶆檪闁�銆佺瓎瑭︽檪闁�銆佹垚绺炬煡瑭�銆侀潰瑭︽檪闁撶瓑鐩搁棞淇℃伅锛屾帹钖﹀悇浣嶈€冪敓浣跨敤鐠�(hu谩n)鐞冪恫(w菐ng)鏍� 鍏嶈不闋愮磩鐭俊鎻愰啋鏈嶅嫏锛岄爯绱勬垚鍔熷彲鐩℃棭鐛插緱閫氱煡銆傚悓鏅�锛屽彲榛炴搳涓嬫柟“鍏嶈不涓嬭級”鎸夐垥锛岀嵅鍙栨洿澶氬叕鍕欏摗鑰冭│璩囨枡銆�
鏈€鏂拌硣瑷�
- 2022骞村叕鍕欏摗鑰冭│鑱锋脯姣忔棩涓€绶达細瑷€瑾炵悊瑙h垏琛ㄩ仈缈掗鍙婄瓟妗堣В鏋�(2鏈�9鏃�)2022-02-09
- 2022骞村叕鍕欏摗鑰冭│鑱锋脯姣忔棩涓€绶达細鏁�(sh霉)閲忛棞绯荤繏椤屽強绛旀瑙f瀽(2鏈�9鏃�)2022-02-09
- 2022骞村叕鍕欏摗鑰冭│鑱锋脯姣忔棩涓€绶达細鍒ゆ柗鎺ㄧ悊缈掗鍙婄瓟妗堣В鏋�(2鏈�9鏃�)2022-02-09
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)閲忛棞绯荤反缈掗(8鏈�19鏃�)2021-08-19
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯閭忚集鍒ゆ柗绶寸繏椤�(8鏈�19鏃�)2021-08-19
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯瀹氱京鍒ゆ柗绶寸繏椤�(8鏈�19鏃�)2021-08-19
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯瑷€瑾炵悊瑙g反缈掗(8鏈�19鏃�)2021-08-19
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯閭忚集鍒ゆ柗绶寸繏椤�2021-08-18
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯瀹氱京鍒ゆ柗绶寸繏椤�2021-08-18
- 2021骞存柊鐤嗗叕鍕欏摗鑰冭│琛屾脯鏁�(sh霉)閲忛棞绯荤反缈掗2021-08-18