2012
骞村箍宸炲競鍒濅腑姣曚笟鐢熷涓氳�冭瘯
鏁?/p>
瀛?/p>
鏈瘯鍗峰垎閫夋嫨棰樺拰闈為�夋嫨棰樹袱閮ㄥ垎锛屽叡涓夊ぇ棰?/p>
25
灏忛锛屽叡
4
椤碉紝婊″垎
150
鍒嗭紝鑰冭瘯鐢ㄦ椂
120
鍒嗛挓
娉ㄦ剰浜嬮」锛?/p>
1
锛庣瓟鍗峰墠锛岃�冪敓鍔″繀鍦ㄧ瓟棰樺崱绗?/p>
1
闈€�佺
3
闈€�佺
5
闈笂鐢ㄩ粦鑹插瓧杩圭殑閽㈢瑪鎴栫瀛楃瑪濉啓鑷凡鐨勮�冪敓
鍙枫�佸鍚嶏紱濉啓鑰冨満璇曞鍙枫�佸骇浣嶅彿锛屽啀鐢?/p>
2B
閾呯瑪鎶婂搴旇繖涓や釜鍙风爜鐨勬爣鍙锋秱榛戙�?/p>
2
锛庨�夋嫨棰樻瘡灏忛閫夊嚭绛旀鍚庯紝鐢?/p>
2B
閾呯瑪鎶婄瓟棰樺崱涓婂搴旈鐩殑绛旀鏍囧彿娑傞粦锛涘闇�鏀瑰姩锛岀敤姗＄毊鎿﹀共
鍑�鍚庯紝鍐嶉�夋秱鍏朵粬绛旀鏍囧彿锛屼笉鑳界瓟鍦ㄨ瘯鍗蜂笂銆?/p>
3
锛庨潪閫夋嫨棰樺繀椤荤敤榛戣壊瀛楄抗鐨勯挗绗旀垨绛惧瓧绗斾綔绛旓紝娑夊強浣滃浘鐨勯鐩紝鐢?/p>
2B
閾呯瑪鐢诲浘锛岀瓟妗堝繀椤诲啓鍦ㄧ瓟
棰樺崱鍚勯鐩寚瀹氬尯鍩熷唴鐨勭浉搴斾綅缃笂锛屽闇�鏀瑰姩锛屽厛鍒掓帀鍘熸潵鐨勭瓟妗堬紝鐒跺悗鍐嶅啓涓婃柊鐨勭瓟妗堬紝鏀瑰姩鐨勭瓟妗堜篃
涓嶈兘瓒呭嚭鎸囧畾鐨勫尯鍩燂紝涓嶅噯浣跨敤閾呯瑪锛屽渾鐝犵瑪鍜屾秱鏀规恫锛屼笉鎸変互涓婅姹備綔绛旂殑绛旀鏃犳晥銆?/p>
4
锛庤�冪敓蹇呴』淇濇寔绛旈鍗＄殑鏁存磥锛岃�冭瘯缁撴潫鍚庯紝灏嗘湰璇曞嵎鍜岀瓟棰樺崱涓�骞朵氦鍥炪�?/p>
绗竴閮ㄥ垎
閫夋嫨棰?/p>
锛堝叡
30
鍒嗭級
涓�銆侀�夋嫨棰橈紙鏈ぇ棰樺叡
10
灏忛锛屾瘡灏忛
3
鍒嗭紝婊″垎
30
鍒嗭紝鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤规槸绗﹀悎棰?
鐩姹傜殑銆?/p>
锛?/p>
1
锛?/p>
瀹炴暟
3
鐨勫�掓暟鏄紙
锛?/p>
A
锛?/p>
3
1
飥?
B
锛?
3
1
C
锛?/p>
3
飥?/p>
D
锛?/p>
3
2
锛?/p>
灏嗕簩娆″嚱鏁?/p>
2
x
y
飥?/p>
鐨勫浘鍍忓悜涓嬪钩绉?/p>
1
涓崟浣嶏紝鍒欏钩绉诲悗鐨勪簩娆″嚱鏁扮殑瑙ｆ瀽寮忎负锛?/p>
锛?/p>
A
锛?/p>
1
2
飥?/p>
飥?/p>
x
y
B
锛?/p>
1
2
飥?/p>
飥?/p>
x
y
C
锛?/p>
2
)
1
(
飥?/p>
飥?/p>
x
y
D
锛?/p>
2
)
1
(
飥?/p>
飥?/p>
x
y
3
锛?/p>
涓�涓嚑浣曚綋鐨勪笁瑙嗗浘濡傚浘
1
鎵�绀猴紝
鍒欒繖涓嚑浣曚綋鏄紙
锛?/p>
A
锛?/p>
鍥涙１閿?/p>
B
锛庡洓妫辨煴
C
锛庝笁妫遍敟
D
锛庡洓妫辨煴
4
锛庝笅闈㈢殑璁＄畻姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
1
5
6
飥?/p>
飥?/p>
a
a
B
锛?/p>
3
2
3
3
a
a
a
飥?/p>
飥?/p>
C
锛?/p>
b
a
b
a
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
)
(
D
锛?/p>
b
a
b
a
飥?/p>
飥?/p>
飥?/p>
2
2
锛?/p>
锛?
5
锛庡鍥?/p>
2
锛屽湪绛夎叞姊舰
ABCD
涓紝
BC
鈭?/p>
AD
锛?/p>
AD=5, DC=4, DE
鈭?/p>
AB
浜?/p>
BC
浜庣偣
E
锛屼笖
EC=3.
鍒欐褰?/p>
ABCD
鐨勫懆闀挎槸锛?/p>
锛?/p>
A
锛?/p>
26
B
锛?/p>
25
C
锛?/p>
21
D
锛?/p>
20
6
锛?/p>
宸茬煡
0
7
1
飥?/p>
飥?/p>
飥?/p>
飥?/p>
b
a
锛屽垯
飥?/p>
飥?/p>
b
a
锛?/p>
锛?/p>
A
锛?/p>
8
飥?/p>
B
锛?/p>
6
飥?/p>
C
锛?/p>
6
D
锛?/p>
8
7
锛庡湪
Rt
鈻?/p>
ABC
涓紝鈭?/p>
C=90
掳
, AC=9 , BC=12.
鍒欑偣
C
鍒?/p>
AB
鐨勮窛绂绘槸锛?/p>
锛?/p>
鍥?/p>
2
E
D
C
B
A