2021骞村湅鑰冩瘡鏃ヤ竴绶存暩(sh霉)閲忛棞(gu膩n)绯荤反缈�(x铆)锛�

1銆佹煇閰掗閵峰敭搴楅姺鍞櫧閰掋€佸暏閰�銆佹灉閰掍笁绋厭锛屽叾涓暏閰掗姺鍞噺鐨�3鍊嶈垏鏋滈厭閵峰敭閲忕殑6鍊嶄箣鍜岀瓑浜庣櫧閰掗姺鍞噺鐨�4鍊�锛岀櫧閰掗姺鍞噺鑸囧暏閰掗姺鍞噺鐨�2鍊嶇瓑浜庢灉閰掔殑7鍊嶃€傚墖鐧介厭銆佸暏閰�銆佹灉閰掍笁绋厭椤炵殑閵峰敭閲忎箣姣旂偤锛�( )

A銆�5:4:3

B銆�4:3:2

C銆�4:2:1

D銆�3:2:1

2銆佹煇瀛�(xu茅)鏍＄祫绻斿(xu茅)鐢熼€茶鏁�(sh霉)瀛�(xu茅)鍜岃嫳瑾炵璩斤紝鍏ㄦ牎鍏辨湁80%鐨勫悓瀛�(xu茅)鍫卞悕鍙冨姞锛屽叾涓牨鍚嶅弮鍔犺嫳瑾炵璩界殑浜烘暩(sh霉)鑸囧牨鍚嶅弮鍔犳暩(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)姣旂偤2:1锛屽叐闋呯璩介兘鍫卞悕鍙冨姞鐨勪汉鏁�(sh霉)鐐哄彧鍫卞悕鍙冨姞鏁�(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)鐨�50%銆傝珛鍟忔湭鍫卞悕鍙冨姞娲诲嫊鐨勪汉鏁�(sh霉)鏄彧鍫卞悕鍙冨姞鑻辫獮绔惰辰鐨勪汉鏁�(sh霉)鐨�( )銆�

A銆�20%

B銆�40%

C銆�30%

D銆�50%

3銆佷竴鍊�20浜虹殑鐝礆鑸夎鐧惧垎鍒舵脯椹�锛屽钩鍧囧垎鐐�79鍒嗭紝鎵€鏈変汉寰楀垎閮芥槸鏁存暩(sh霉)涓斾换鎰忓叐浜哄緱鍒嗕笉鍚�銆傜彮绱氬墠5鍚嶇殑骞冲潎鍒嗘濂芥槸16鍒�20鍚嶅钩鍧囧垎鐨�2鍊�銆�

鍓囩彮绱氱6鍚嶅拰绗�15鍚嶄箣闁撶殑鍒嗗樊鏈€澶х偤澶氬皯鍒嗭細

A銆�34

B銆�37

C銆�40

D銆�43

4銆佸晢搴楅€蹭簡100浠跺悓妯ｇ殑琛ｆ湇锛屽敭鍍瑰畾鐐洪€插児鐨�150%锛岃常浜嗕竴娈垫檪闁撳悗鍍规牸涓嬮檷20%绻肩簩(x霉)閵峰敭锛屾彌瀛ｆ檪鍓╀笅鐨勮。鏈嶆寜鐓у敭鍍圭殑涓€鍗婅檿鐞�锛屾渶鍚庨€欐壒琛ｆ湇鐩堝埄瓒呴亷25%銆傚鏋滆檿鐞嗙殑琛ｆ湇涓嶅皯浜�20浠�锛屽晱鑷冲皯鏈夊灏戜欢琛ｆ湇鏄寜鐓у師鍞児璩ｅ嚭鐨勶細

A銆�7

B銆�14

C銆�34

D銆�47

5銆佹煇鍏徃瑕佹眰鐢层€佷箼銆佷笝涓夊€嬩汉鍦ˋ甯傚拰B甯傞姺鍞晢鍝�锛屽湪A甯傝閵峰敭鍟嗗搧900浠讹紝鍦˙甯傝閵峰敭鍟嗗搧1250浠�锛屽凡鐭ョ敳銆佷箼銆佷笝涓変汉姣忓ぉ鑳介姺鍞殑鍟嗗搧鏁�(sh霉)閲忓垎鍒ョ偤24浠�銆�30浠躲€�32浠�锛岀敳銆佷笝鍒嗗垾鍦ˋ甯傚拰B甯傞姺鍞晢鍝�锛屼箼鍏堝湪A甯�锛岄姺鍞嫢骞插ぉ鍚庤綁(zhu菐n)鍒癇甯�锛屽叐鍦板晢鍝侀姺鍞姹傚悓鏅傞枊濮嬪悓鏅傚敭瀹�锛屽晱涔欏湪A甯傚伐浣滀簡( )澶�銆�

A銆�9

B銆�10

C銆�11

D銆�12

涓嬮潰鐐�2021骞村湅鑰冩瘡鏃ヤ竴绶存暩(sh霉)閲忛棞(gu膩n)绯诲弮鑰冪瓟妗堬細

1銆丏

绗竴姝ワ細鍒嗘瀽鍟忛

鎬濊矾1锛氶鐩寘鍚叐鍊嬬瓑閲忛棞(gu膩n)绯诲拰涓夊€嬫湭鐭ラ噺锛岀洿鎺ヨō(sh猫)鏂圭▼灏卞彲浠ユ眰鍑轰笁鑰呯殑姣斾緥闂�(gu膩n)绯�銆�

鎬濊矾2锛氱敱浜庨骞蹭腑绲﹀嚭浜嗕笁鍊嬫湭鐭ラ噺鐨勬瘮渚嬮棞(gu膩n)绯伙紝鏁呬笁绋厭鐨勯姺鍞噺涔嬫瘮涔熸噳(y墨ng)绗﹀悎椤屼腑鎵€绲︾殑姣斾緥闂�(gu膩n)绯�锛岀祼(ji茅)鍚堜唬鍏ユ帓闄ゆ硶鍒ゆ柗鍝€嬮伕闋呯鍚堥鎰忓嵆鍙�銆�

绗簩姝ワ細瑷堢畻閬庣▼

瑙ｆ硶1锛氳ō(sh猫)鐧介厭銆佸暏閰�銆佹灉閰掔殑閵峰敭閲忓垎鍒ョ偤a銆乥銆乧锛屾牴鎿�(j霉)椤屼腑绛夐噺闂�(gu膩n)绯�锛屽墖鏈�3b+6c=4a;a+2b=7c銆傝伅(li谩n)绔嬪叐鍊嬫柟绋�锛屾秷鍘讳竴鍊嬫湭鐭ラ噺b锛屽墖鏈�11a=33c锛屽嵆a:c=3锛�1锛屽彧鏈塂閬搁爡婊胯冻銆�

瑙ｆ硶2锛氳ō(sh猫)鐧介厭銆佸暏閰�銆佹灉閰掔殑閵峰敭閲忓垎鍒ョ偤a銆乥銆乧锛屾牴鎿�(j霉)椤屼腑绛夐噺闂�(gu膩n)绯�锛屽墖鏈�3b+6c=4a;a+2b=7c銆�

浠ｅ叆A锛宎=5锛宐=4锛宑=3锛屼唬鍏�3b+6c=4a锛屾湁3×4+6×3≠4×5锛屾晠A閬搁爡閷銆�

浠ｅ叆B锛宎=4锛宐=3锛宑=2锛屼唬鍏�3b+6c=4a锛屾湁3×3+6×2≠4×4锛屾晠B閬搁爡閷銆�

浠ｅ叆C锛宎=4锛宐=2锛宑=1锛屼唬鍏�3b+6c=4a锛屾湁3×2+6×1≠4×4锛屾晠C閬搁爡閷銆�

浠ｅ叆D锛宎=3锛宐=2锛宑=1锛屼唬鍏�3b+6c=4a锛屾湁3×2+6×1=4×3;浠ｅ叆a+2b=7c锛屾湁3+2×2=7×1銆傚叐鍊嬪紡瀛愬潎鎴愮珛锛屾晠D閬搁爡姝ｇ⒑銆�

浠ヤ笂2绋В娉曟墍寰楃瓟妗堢浉鍚�锛屽潎鐐�3锛�2锛�1銆�

绗笁姝ワ細鍐嶆妯�(bi膩o)娉ㄧ瓟妗�

鏁呮纰虹瓟妗堢偤D銆�

2銆丅

绗竴姝ワ細鍒嗘瀽鍟忛

鐢变簬椤屽共涓郸鍑虹殑閮芥槸鐧惧垎鏁�(sh霉)銆佹瘮渚嬮棞(gu膩n)绯�锛屾晠鍙噰鐢ㄨ肠鍊兼硶銆傜郸鍑哄牨鍚嶅弮鍔犳暩(sh霉)瀛�(xu茅)绔惰辰銆佽嫳瑾炵璩界殑鎯呮硜锛屾晠鑰冩叜鍏╅泦鍚堝鏂ュ師鐞�锛屾湰椤屽張鍑虹従(xi脿n)浜嗗叐闋呯璩介兘鍫卞悕鍙冨姞鐨勪汉鏁�(sh霉)鐐�“鍙�”鍫卞悕鍙冨姞鏁�(sh霉)瀛�(xu茅)绔惰辰鐨�50%锛岃鏄庢湰椤岀偤闈炴(bi膩o)婧�(zh菙n)鍨嬪叐闆嗗悎瀹规枼鍘熺悊锛屾晠閲囩敤浣滃湒娉�锛屾晠鍙厛灏囧叐闋呴兘鍫卞悕鍙冨姞鐨勪汉鏁�(sh霉)璩﹀€肩偤1锛屽啀绲�(ji茅)鍚堥骞蹭腑鎵€绲︾殑鍫卞悕鍙冨姞鍚勯爡绔惰辰浜烘暩(sh霉)鐨勯棞(gu膩n)绯�锛屾壘鍑哄牨鍚嶅弮鍔犲悇闋呯璩界殑浜烘暩(sh霉)鍙婃湭鍫卞悕鍙冨姞绔惰辰鐨勪汉鏁�(sh霉)锛岄€茶€屾眰鍑洪骞插晱椤屽嵆鍙�銆�

绗簩姝ワ細瑷堢畻閬庣▼

鐢变簬鏈鐐洪潪妯�(bi膩o)婧�(zh菙n)鍨嬪叐闆嗗悎瀹规枼鍘熺悊锛屾晠閲囩敤浣滃湒娉�銆傚緸鍏�(n猫i)寰€澶栨(bi膩o)鏁�(sh霉)锛岃嫢灏囧叐闋呴兘鍫卞悕鍙冨姞鐨勪汉鏁�(sh霉)璩﹀€肩偤1锛屾牴鎿�(j霉)“鍏╅爡绔惰辰閮藉牨鍚嶅弮鍔犵殑浜烘暩(sh霉)鐐哄彧鍫卞悕鍙冨姞鏁�(sh霉)瀛�(xu茅)绔惰辰浜烘暩(sh霉)鐨�50%”锛屽彲鐭ュ彧鍫卞悕鍙冨姞鏁�(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)鐐哄叐闋呯璩介兘鍫卞悕鍙冨姞浜烘暩(sh霉)鐨�2鍊嶏紝鍗冲彧鍫卞悕鍙冨姞鏁�(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)鐐�2锛屽彲鐭ュ牨鍚嶅弮鍔犳暩(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)鐐�1+2=3銆傛牴鎿�(j霉)“鍫卞悕鍙冨姞鑻辫獮绔惰辰鐨勪汉鏁�(sh霉)鑸囧牨鍚嶅弮鍔犳暩(sh霉)瀛�(xu茅)绔惰辰鐨勪汉鏁�(sh霉)姣旀槸2:1”锛屽彲鐭ュ牨鍚嶅弮鍔犺嫳瑾炴瘮璩界殑浜烘暩(sh霉)鐐�2×3=6锛屾晠鍙牨鍚嶅弮鍔犺嫳瑾炵璩界殑浜烘暩(sh霉)鐐�6-1=5銆�

鏁呭牨鍚嶅弮鍔犵璩界殑浜烘暩(sh霉)鍏�5+1+2=8浜�锛岀敱浜庡牨鍚嶅弮鍔犵璩戒汉鏁�(sh霉)鍗犵附?c猫)钘�?sh霉)鐨�80%锛屽彲鐭ュ(xu茅)?锛�?c猫)钘�?sh霉)鐐猴細8/80%=10锛屾晠鏈牨鍚嶅弮鍔犵璩界殑浜烘暩(sh霉)鐐�10-8=2浜�銆�

鏈牨鍚嶅弮鍔犳椿鍕曠殑浜烘暩(sh霉)鏄彧鍫卞悕鍙冨姞鑻辫獮绔惰辰鐨勪汉鏁�(sh霉)鐨勬瘮渚嬬偤锛�2/5=40%銆�

绗笁姝ワ細鍐嶆妯�(bi膩o)娉ㄧ瓟妗�

鏁呮纰虹瓟妗堢偤B銆�

3銆丏

姹傜彮绱氱6鍚嶅拰绗�15鍚嶄箣闁撶殑鍒嗗樊鏈€澶�锛屽墖绗�6鍚嶇殑鎴愮妇瑕佺洝鍙兘鍦版帴杩戠5鍚嶇殑鎴愮妇锛屼笖鍓�5鍚嶇殑鎴愮妇宸窛瑕佺洝鍙兘鍦板皬锛屽嵆鍓�6鍚嶆垚绺炬槸閫ｇ簩(x霉)鐨勮嚜鐒舵暩(sh霉)锛岀15鍚嶇殑鎴愮妇瑕佺洝鍙兘鍦版帴杩戠16鍚嶇殑鎴愮妇锛屼笖鍚�5鍚嶇殑鎴愮妇宸窛瑕佺洝鍙兘鍦板皬锛屽嵆鍚�6鍚嶇殑鎴愮妇鏄€ｇ簩(x霉)鐨勮嚜鐒舵暩(sh霉)銆傚張鐢变簬鐝礆鍓�5鍚嶇殑骞冲潎鍒嗘濂芥槸16鍒�20鍚嶅钩鍧囧垎鐨�2鍊�锛屽墖鍓�5鍚嶇殑鎴愮妇姹哄畾浜嗗悗5鍚嶇殑鎴愮妇銆備娇鍓�5鍚嶇殑鎴愮妇?y艒u)?00鍒�銆�99鍒�銆�98鍒�銆�97鍒�銆�96鍒嗭紝鍓囩6鍚嶇殑鎴愮妇?y艒u)?5鍒�锛岀敱姝�锛屽悗5鍚嶇殑鎴愮妇?y艒u)?1鍒嗐€�50鍒�銆�49鍒�銆�48鍒�銆�47鍒�锛屽墖绗�15鍚嶇殑鎴愮妇?y艒u)?2鍒�锛屾墍浠ョ6鍚嶅拰绗�15鍚嶄箣闁撶殑鍒嗗樊鏈€澶х偤95–52=43鍒�銆�

鏁呮纰虹瓟妗堢偤D銆�

4銆丏

瑷�(sh猫)琛ｆ湇閫插児鐐�100锛屽墖琛ｆ湇鍞児鐐�150锛屼笅闄嶅悗鍍规牸鐐�150×0.8=120锛屽崐鍍硅檿鐞嗗悗鍍规牸鐐�150×0.5=75銆傝ō(sh猫)鑷冲皯鏈墄浠惰。鏈嶆槸鎸夌収鍘熷敭鍍瑰嚭鍞殑锛屽墖鏍规摎(j霉)椤屾剰鍙垪涓嶇瓑寮忕偤锛�150x+120*(100-20-x)+75*20>12500锛岃В涓嶇瓑寮忓緱46.7锛屾晠鑷冲皯鏈�47浠惰。鏈嶆槸鎸夌収鍘熷敭鍍瑰嚭鍞殑銆�

鏁呮纰虹瓟妗堢偤D銆�

5銆丅

绗竴姝ワ細鍒嗘瀽鍟忛

宸ヤ綔绺介噺=鏅傞枔×鏁堢巼銆傜敱浜庝笁鍊嬩汉鐨勫伐浣滅附閲忓浐瀹�锛屾瘡澶╃殑宸ヤ綔鏁堢巼涔熸槸鍥哄畾鐨�锛屼笖涓夊€嬩汉鍚屾檪瀹屾垚宸ヤ綔锛屽墖鍙互鐩存帴姹傚嚭宸ヤ綔绺芥檪闀�銆傝€屽皪浜嶢甯傜殑鍟嗗搧渚嗚闄や簡鐢插緸闁嬪閵峰敭鍒扮祼(ji茅)鏉熶箣澶栵紝鍓╀笅鐨勯兘鐢变箼閵峰敭瀹屾垚锛屽嵆鍙互姹傚嚭涔欏湪A甯傜殑宸ヤ綔鏅傞枔銆�

绗簩姝ワ細瑷堢畻閬庣▼

鏅傞枔=宸ヤ綔绺介噺/鏁堢巼=(900+1250)/(24+30+32)=2150/86=25澶�銆傚墖A甯傜殑900浠跺晢鍝佹槸鐢辩敳宸ヤ綔25澶╁拰涔欏湪A宸ヤ綔鐨剎澶╀腑鍏卞悓瀹屾垚鐨�銆傛湁锛�900=24×25+30×x锛屾帹鍑簒=10澶�銆�

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