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瑙ｇ瓟鏂规硶锛�鏃㈢劧骞惧€�(g猫)閲忕殑鍜屼竴瀹氾紝姹傚叾涓煇鍊�(g猫)璁婇噺鐨勬渶澶у€�锛岄偅涔堝彧瑕佸叾浠栧咕鍊�(g猫)閲忕洝鍙兘鐨勫皬锛岄€欐ǎ灏卞彲浠ユ眰寰楅€欏€�(g猫)璁婇噺鐨勬渶澶у€�;鍚岀悊锛屽咕鍊�(g猫)閲忕殑鍜屼竴瀹�锛屾眰鍏朵腑鏌愬€�(g猫)璁婇噺鐨勬渶灏忓€�锛岄偅涔堝彧瑕佸叾浠栧咕鍊�(g猫)閲忕洝鍙兘鐨勫ぇ锛岄€欐ǎ灏卞彲浠ユ眰寰楅€欏€�(g猫)璁婇噺鐨勬渶灏忓€�銆備笅闈㈡垜鍊戠湅涓€涓嬭娓�(c猫)涓暩(sh霉)閲忛棞(gu膩n)绯荤浉闂�(gu膩n)鐪熼锛�

銆愪緥1銆戞煇閫ｉ帠浼佹キ(y猫)鍦�10鍊�(g猫)鍩庡競鍏辨湁100瀹跺皥璩�(m脿i)搴�锛屾瘡鍊�(g猫)鍩庡競鐨勫皥璩�(m脿i)搴楁暩(sh霉)閲忛兘涓嶅悓銆傚鏋滃皥璩�(m脿i)搴楁暩(sh霉)閲忔帓鍚嶇5澶氱殑鍩庡競鏈�12瀹跺皥璩�(m脿i)搴�锛岄偅涔堝皥璩�(m脿i)搴楁暩(sh霉)閲忔帓鍚嶆渶鍚庣殑鍩庡競锛屾渶澶氭湁骞惧灏堣常(m脿i)搴�?

A. 2

B. 3

C. 4

D. 5

銆愮瓟妗堛€慍

瑙ｆ瀽锛�10鍊�(g猫)鍩庡競涓€鍏�100瀹堕€ｉ帠搴�锛屽拰涓€瀹�锛岃浣垮緱灏堣常(m脿i)搴楁暩(sh霉)閲忔帓鍚嶆渶鍚庣殑鍩庡競鐨勫皥璩�(m脿i)搴楁暩(sh霉)閲忔渶澶�锛岄偅涔堝氨瑕佽畵鍏朵粬骞惧€�(g猫)鍩庡競鐨勫皥璩�(m脿i)搴楁暩(sh霉)閲忕洝鍙兘鐨勫皯銆傛帓鍚嶇5鐨勫煄甯傛湁12瀹跺皥璩�(m脿i)搴�锛屼笖姣忓€�(g猫)鍩庡競鐨勫皥璩�(m脿i)搴楁暩(sh霉)閲忓悇涓嶇浉鍚�锛岄偅涔堝皥璩�(m脿i)搴楁暩(sh霉)閲忔帓鍚嶇4鐨勫煄甯傛渶灏戞湁13瀹跺皥璩�(m脿i)搴�锛屾帓鍚嶇3銆佺2銆佺1鍚嶇殑鍩庡競鍒嗗垾鏈€灏戞湁14銆�15銆�16瀹跺皥璩�(m脿i)搴楋紝鎺掑悕鍓嶄簲鍚嶇殑鍩庡競鐨勫皥璩�(m脿i)搴椾竴鍏�12+13+14+15+16=70銆傞偅涔堟帓鍚嶅悗浜斿悕鐨勫煄甯傚皥璩�(m脿i)搴椾竴鍏�100-70=30瀹跺皥璩�(m脿i)搴楋紝瑷�(sh猫)鎺掑悕鏈€鍚�(绗�10鍚�)鐨勫煄甯傛渶澶氭湁x瀹�锛岄偅涔堟帓鍚嶇9銆佺8銆佺7銆佺6鍚嶅煄甯傚垎鍒ユ渶灏戞湁x+1銆亁+2銆亁+3銆亁+4瀹跺皥璩�(m脿i)搴�銆倄+x+1+x+2+x+3+x+4=30锛屾眰寰梮=4銆傜瓟妗堢偤C銆�

銆愪緥2銆戞煇鍠綅2011骞存嫑鑱樹簡65鍚嶇暍妤�(y猫)鐢燂紝鎿垎閰嶅埌瑭插柈浣嶇殑7鍊�(g猫)涓嶅悓閮ㄩ杸(m茅n)銆傚亣瑷�(sh猫)琛屾斂閮ㄩ杸(m茅n)鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)姣斿叾浠栭儴闁€(m茅n)閮藉锛屽晱(w猫n)琛屾斂閮ㄩ杸(m茅n)鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)鑷冲皯鐐哄灏戝悕?

A. 10

B. 11

C. 12

D. 13

銆愮瓟妗堛€態

瑙ｆ瀽锛�7鍊�(g猫)閮ㄩ杸(m茅n)绺藉叡鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)鏄�65鍚嶏紝鍜屼竴瀹�锛岃浣垮垎寰楃暍妤�(y猫)鐢熶汉鏁�(sh霉)鏈€澶氱殑琛屾斂閮ㄩ杸(m茅n)鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)鏈€灏�(瑷�(sh猫)鏈€灏戝垎寰楃暍妤�(y猫)鐢焫浜�)锛岄偅涔堝叾浠�6鍊�(g猫)閮ㄩ杸(m茅n)鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)灏辫鐩″彲鑳界殑澶�锛屽垎寰楃暍妤�(y猫)鐢熶汉鏁�(sh霉)鏈€澶歺-1銆倄+6*(x-1)=65锛屾眰寰梮=71/7≈10.1锛屼篃灏辨槸瑾�(shu艒)琛屾斂閮ㄩ杸(m茅n)鍒嗗緱鐨勭暍妤�(y猫)鐢熶汉鏁�(sh霉)鏈€灏戠偤10.1锛岀暍妤�(y猫)鐢熶汉鏁�(sh霉)鍙堟槸鏁存暩(sh霉)锛屾墍浠ュ垎寰楃殑鐣㈡キ(y猫)鐢熶汉鏁�(sh霉)鑷冲皯鏄�11浜恒€傜瓟妗堢偤B銆�

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