1
2018-2019
瀛﹀勾涓嬪鏈熸湡鏈按骞宠川閲忔娴嬪垵涓�鏁板璇曞嵎
锛堝叏鍗锋弧鍒嗭細
120
鍒嗛挓
鑰冭瘯鏃堕棿锛?/p>
120
鍒嗛挓锛?/p>
娉ㄦ剰锛?/p>
鏈嵎涓?/p>
璇曢鍗?/p>
锛涜�冪敓蹇呴』鍦?/p>
绛旈鍗?/p>
涓婁綔绛旓紱绛旀搴斾功鍐欏湪
绛旈鍗?/p>
鐩稿簲浣嶇疆锛涘湪璇曢鍗枫�佽崏绋跨焊涓婄瓟棰樻棤鏁?/p>
.
涓�銆?/p>
缁?/p>
蹇?/p>
濉?/p>
涓�
濉?/p>
锛堟瘡灏忛
3
鍒嗭紝鍏辫
24
鍒嗭級
1.
璁＄畻锛?/p>
2
)
3
(2x
y
飥?/p>
=
锛?/p>
)
2
b
-
b
-
2a
a
飥?/p>
锛夛紙
锛?/p>
=
.
2
锛庡鏋?/p>
1
2
飥?/p>
飥?/p>
kx
x
鏄竴涓畬鍏ㄥ钩鏂瑰紡锛岄偅涔?/p>
k
鐨勫�兼槸
.
3.
娓╁瀹濇�荤悊鍦ㄥ崄灞婂叏鍥戒汉澶у洓娆′細璁笂璋堝埌瑙ｅ喅鈥滀笁鍐溾�濋棶棰?/p>
鏃惰锛?/p>
2006
骞翠腑澶储鏀跨敤浜庘�滀笁鍐溾�濈殑鏀嚭灏嗚揪鍒?/p>
33970000
涓囧厓锛岃繖涓暟鎹敤绉戝璁版暟娉曞彲琛ㄧず涓?/p>
涓囧厓
.
4.
绛夎叞涓夎褰竴杈归暱鏄?/p>
10
銕濓紝涓�杈归暱鏄?/p>
6
銕濓紝鍒欏畠鐨勫懆闀挎槸
.
5.
濡傚浘锛屽凡鐭モ垹
BAC=
鈭?/p>
DAE=90
掳锛?/p>
AB=AD
锛岃浣库柍
ABC
鈮屸柍
ADE
锛岃繕闇�瑕佹坊鍔犵殑鏉′欢鏄?/p>
.
6.
鐜板湪瑙勫畾涓ょ鏂扮殑杩愮畻鈥滐埂鈥濆拰鈥溾棊鈥?/p>
锛?/p>
a
锕?/p>
b=
2
2
b
a
飥?/p>
锛?/p>
a
鈼?/p>
b=2ab,
濡傦紙
2
锕?/p>
3
锛?/p>
锛?/p>
2
鈼?/p>
3
锛?/p>
=
锛?/p>
2
2
+3
2
锛?/p>
锛?/p>
2
脳
2
脳
3
锛?/p>
=156
锛屽垯
[2
锕★紙
-1
锛?/p>
][2
鈼庯紙
-1
锛?/p>
]=
.
7.
鏌愮墿浣撹繍鍔ㄧ殑璺▼
s
锛堝崈绫筹級涓庤繍鍔ㄧ殑鏃堕棿
t
锛堝皬鏃讹級鍏崇郴濡傚浘鎵�绀猴紝鍒欏綋
t=3
灏忔椂鏃讹紝鐗╀綋杩愬姩鎵�缁忚繃鐨勮矾绋嬩负
鍗冪背
.
8.
鏌愬叕璺�ヨ浆寮璁剧珛浜嗕竴闈㈠ぇ闀滃瓙锛屼粠闀滃瓙涓湅鍒版苯杞︾殑杞﹁締鐨勫彿鐮佸鍥?/p>
鎵�绀猴紝
鍒欒姹借溅鐨勫彿鐮佹槸
.
浜屻�佺浉淇′綘鐨勯�夋嫨锛堟瘡灏忛鍙湁涓�涓纭殑閫夐」锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
27
鍒嗭級
9.
涓嬪垪鍥惧舰涓笉鏄?/p>
锛庯紟
姝ｆ柟浣撶殑灞曞紑鍥剧殑鏄紙
锛?/p>
A
B
C
D
10.
涓嬪垪杩愮畻姝ｇ‘
锛庯紟
鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
10
5
5
a
a
a
飥?/p>
飥?/p>
B
锛?/p>
24
4
6
a
a
a
飥?/p>
飩?/p>
C
锛?/p>
a
a
a
飥?/p>
飩?/p>
飥?/p>
1
0
D
锛?/p>
1
4
4
飥?/p>
飥?/p>
a
a
11.
涓嬪垪缁撹涓紝姝ｇ‘
锛庯紟
鐨勬槸锛?/p>
锛?/p>
A.
鑻?/p>
2
2
b
a
,
b
a
飩?/p>
飩?/p>
鍒?/p>
B.
鑻?/p>
2
2
b
a
,
b
a
飥?/p>
飥?/p>
鍒?/p>
E
D
C
B
A
绗?/p>
5
棰?/p>
t
锛堝皬鏃讹級
2
O
30
S
锛堝崈绫筹級
绗?/p>
8
棰?/p>
D
A