2012
骞村北涓滅渷涓存矀甯備腑鑰冩暟瀛﹁瘯鍗?/p>
鍙傝�冪瓟妗堜笌璇曢瑙ｆ瀽
涓�銆侀�夋嫨棰橈紙鍏?/p>
14
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
42
鍒嗭級
1
锛?/p>
锛?/p>
2012鈥?/p>
涓存矀锛夛梗
鐨勫�掓暟鏄紙
锛?/p>
A
锛?/p>
6
B
锛庯梗
6
C
锛?/p>
D
锛庯梗
鑰冪偣
锛?/p>
鍊?/p>
鏁般�?/p>
涓撻
锛?/p>
甯?/p>
瑙勯鍨嬨�?/p>
鍒嗘瀽锛?/p>
鏍?/p>
鎹簰涓哄�掓暟鐨勪袱涓暟鐨勭Н绛変簬
1
瑙ｇ瓟锛?/p>
瑙ｇ瓟锛?/p>
瑙ｏ細鈭碉紙锕?/p>
锛?/p>
脳
锛堬梗
6
锛?/p>
=1
锛?/p>
鈭达梗
鐨勫�掓暟鏄梗
6
锛?/p>
鏁呴�?/p>
B
锛?/p>
鐐硅瘎锛?/p>
鏈?/p>
棰樿�冩煡浜嗗�掓暟鐨勫畾涔夛紝鐔熻姒傚康鏄В棰樼殑鍏抽敭锛?/p>
2
锛?/p>
锛?/p>
2008鈥?/p>
鍖楁捣锛夊お闃崇殑鍗婂緞澶х害鏄?/p>
696000
鍗冪背锛岀敤绉戝璁版暟娉曞彲琛ㄧず涓猴紙
锛?/p>
A
锛?/p>
696脳
10
3
鍗冪背
B
锛?/p>
69.6脳
10
4
鍗冪背
C
锛?/p>
6.96脳
10
5
鍗冪背
D
锛?/p>
6.96脳
10
6
鍗冪背
鑰冪偣
锛?/p>
绉?/p>
瀛﹁鏁版硶
鈥?/p>
琛ㄧず杈冨ぇ鐨勬暟銆?/p>
涓撻
锛?/p>
璁?/p>
绠楅銆?/p>
鍒嗘瀽锛?/p>
绉?/p>
瀛﹁鏁版硶鐨勮〃绀哄舰寮忎负
a脳
10
n
鐨勫舰寮忥紝鍏朵腑
1鈮a|
锛?/p>
10
锛?/p>
n
涓烘暣鏁帮紟纭畾
n
鐨勫�兼椂锛岃鐪嬫妸鍘熸暟鍙樻垚
a
鏃讹紝
灏忔暟鐐圭Щ鍔ㄤ簡澶氬皯浣嶏紝
n
鐨勭粷瀵瑰�间笌灏忔暟鐐圭Щ鍔ㄧ殑浣嶆暟鐩稿悓锛庡綋鍘熸暟缁濆鍊硷紴
1
鏃讹紝
n
鏄鏁帮紱褰撳師鏁扮殑缁濆
鍊硷紲
1
鏃讹紝
n
鏄礋鏁帮紟
瑙ｇ瓟锛?/p>
瑙?/p>
锛?/p>
696000=6.96脳
10
5
锛?/p>
鏁呴�?/p>
C
锛?/p>
鐐硅瘎锛?/p>
姝?/p>
棰樿�冩煡绉戝璁版暟娉曠殑琛ㄧず鏂规硶锛庣瀛﹁鏁版硶鐨勮〃绀哄舰寮忎负
a脳
10
n
鐨勫舰寮忥紝鍏朵腑
1鈮a|
锛?/p>
10
锛?/p>
n
涓烘暣鏁帮紝琛ㄧず
鏃跺叧閿姝ｇ‘纭畾
a
鐨勫�间互鍙?/p>
n
鐨勫�硷紟
3
锛?/p>
锛?/p>
2012鈥?/p>
涓存矀锛変笅鍒楄绠楁纭殑鏄紙
锛?/p>
A
锛?/p>
2a
2
+4a
2
=6a
4
B
锛?/p>
锛?/p>
a+1
锛?/p>
2
=a
2
+1
C
锛?/p>
锛?/p>
a
2
锛?/p>
3
=a
5
D
锛?/p>
x
7
梅
x
5
=x
2
鑰冪偣
锛?/p>
瀹?/p>
鍏ㄥ钩鏂瑰叕寮忥紱鍚堝苟鍚岀被椤癸紱骞傜殑涔樻柟涓庣Н鐨勪箻鏂癸紱鍚屽簳鏁板箓鐨勯櫎娉曘�?/p>
鍒嗘瀽锛?/p>
鏍?/p>
鎹悎骞跺悓绫婚」瀵?/p>
A
杩涜鍒ゆ柇锛涙牴鎹畬鍏ㄥ钩鏂瑰叕寮忓
B
杩涜鍒ゆ柇锛涙牴鎹箓鐨勪箻鏂规硶鍒欏
C
杩涜鍒ゆ柇锛涙牴鎹悓搴?
鏁板箓鐨勯櫎娉曟硶鍒欏
D
杩涜鍒ゆ柇锛?/p>
瑙ｇ瓟锛?/p>
瑙?/p>
锛?/p>
A
銆?/p>
2a
2
+4a
2
=6a
2
锛屾墍浠?/p>
A
閫夐」涓嶆纭紱
B
銆?/p>
锛?/p>
a+1
锛?/p>
2
=a
2
+2a+1
锛屾墍浠?/p>
B
閫夐」涓嶆纭紱
C
銆?/p>
锛?/p>
a
2
锛?/p>
5
=a
10
锛屾墍浠?/p>
C
閫夐」涓嶆纭紱
D
銆?/p>
x
7
梅
x
5
=x
2
锛屾墍浠?/p>
D
閫夐」姝ｇ‘锛?/p>
鏁呴�?/p>
D
锛?/p>
鐐硅瘎锛?/p>
鏈?/p>
棰樿�冩煡浜嗗畬鍏ㄥ钩鏂瑰叕寮忥細
锛?/p>
a卤
b
锛?/p>
2
=a
2
卤
2a+b
2
锛庝篃鑰冩煡浜嗗悎骞跺悓绫婚」銆佸箓鐨勪箻鏂逛互鍙婂悓搴曟暟骞傜殑闄ゆ硶娉曞垯锛?/p>