--
---
2017-2018
绗竴瀛︽湡鍏勾绾ф湡鏈暟瀛︽祴璇曢
涓�銆侀�夋嫨棰橈紙姣忓皬棰?/p>
3
鍒?/p>
,
鍏?/p>
30
鍒嗭級
1
銆佽绠楋紙
ab
2
锛?/p>
3
鐨勭粨鏋滄槸锛?/p>
锛?/p>
A
锛?/p>
ab
5
B
锛?/p>
ab
6
C
锛?/p>
a
3
b
5
D
锛?/p>
a
3
b
6
2
銆佽嫢鍒嗗紡
鏈夋剰涔夛紝鍒?/p>
x
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?/p>
x
鈮?
B
锛?/p>
x
鈮狅梗
3
C
锛?/p>
x
锛?/p>
3
D
锛?/p>
x
锛烇梗
3
3
銆佽绠楋紙
x
锛?/p>
3y ) ( x +3y
锛夌殑缁撴灉鏄?/p>
(
)
A
锛?/p>
x
2
3y
2
B
锛?/p>
x
2
6y
2
C
锛?/p>
x
2
9y
2
D
锛?/p>
2 x
2
6 y
2
4
銆佹弧瓒充笅鍒楀摢绉嶆潯浠舵椂锛岃兘鍒ゅ畾鈻?/p>
ABC
涓庘柍
DEF
鍏ㄧ瓑鐨勬槸
(
)
A
锛庘垹
A=
鈭?/p>
E
锛?/p>
AB = EF
锛屸垹
B =
鈭?/p>
D
锛?/p>
B
锛?/p>
AB=DE
锛?/p>
BC = EF
锛屸垹
C=
鈭?/p>
F
锛?/p>
C
锛?/p>
AB=DE
锛?/p>
BC = EF
锛屸垹
A=
鈭?/p>
E
锛?/p>
D
锛庘垹
A =
鈭?/p>
D
锛?/p>
AB = DE
锛屸垹
B=
鈭?/p>
E
5
銆?/p>
浠?/p>
闀?/p>
涓?/p>
2cm
銆?/p>
3cm
銆?/p>
5cm
銆?/p>
6cm
鐨?/p>
鍥?/p>
鏉?/p>
绾?/p>
娈?/p>
涓?/p>
鍙?/p>
鍑?/p>
涓?/p>
鏉?/p>
绾?/p>
娈?/p>
锛?/p>
鑳?/p>
澶?/p>
缁?/p>
鎴?/p>
涓?/p>
瑙?/p>
褰?/p>
鐨?/p>
鍙?/p>
娉?/p>
鏈?/p>
锛?/p>
锛?/p>
A
銆?/p>
1
绉?/p>
B
銆?/p>
2
绉?/p>
C
銆?/p>
3
绉?/p>
D
銆?/p>
4
绉?/p>
6
銆佷笅鍒椻�滆〃鎯呪�濅腑灞炰簬杞村绉板浘褰㈢殑鏄紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
7
銆?/p>
.
濡?/p>
鍥?/p>
7
鍦?/p>
鈻?/p>
ABC
涓?/p>
锛?/p>
鈭?/p>
C=90
掳锛?/p>
AD
骞?/p>
鍒?/p>
鈭?/p>
BAC
锛?/p>
DE
鈯?/p>
AB
浜?/p>
E,DE=3,BD=2CD,
鍒?/p>
BC=
锛?/p>
锛?/p>
A.7
B.8
C.9
D.10
1
1
1
锛?/p>
8
銆佽绠?/p>
(
-
)
梅
鐨勭粨鏋滄槸锛?/p>
a +1
a -1
a
2
-1
A
銆?/p>
a B
銆?/p>
2a-2 C
銆?/p>
-2
D
銆?/p>
2
9
銆侀攼瑙掍笁瑙掑舰涓紝浠绘剰涓や釜閿愯鐨勫拰蹇呭ぇ浜庯紙
锛?/p>
A
銆?/p>
120
搴?/p>
B
銆?/p>
110
搴?/p>
C
銆?/p>
100
搴?/p>
D
銆?/p>
90
搴?/p>
10
銆佺洿瑙掍笁瑙掑舰鏂滆竟涓婄殑涓嚎鎶婄洿瑙掍笁瑙掑舰鍒嗘垚鐨勪袱涓笁瑙掑舰鍏崇郴鏄紙
锛?/p>
A
銆佸舰鐘剁浉鍚?/p>
B
銆?/p>
鍛ㄩ暱鐩哥瓑
C
銆侀潰绉浉绛?/p>
D
銆佸叏绛?/p>
浜屻�佸～绌猴細锛堟瘡灏忛
3
鍒?/p>
,
鍏?/p>
30
鍒嗭級
11
銆佸凡鐭ョ偣
A(m-1,3)
涓庣偣
B
锛?/p>
2
锛?/p>
n+1
锛夊叧浜?/p>
y
杞村绉帮紝鍒?/p>
m=__ ____,n=________
12
銆佺瓑鑵颁笁瑙掑舰涓�鑵颁笂鐨勯珮涓庡彟涓�鑵扮殑澶硅涓?/p>
30
o
锛屽垯椤惰鐨勫害鏁颁负
________
13
銆佺洿鎺ュ啓鍑哄洜寮忓垎瑙ｇ殑缁撴灉锛?/p>
x
2
y
2
y
2
___________________
14
銆佸鍥撅紝鈻?/p>
ABC
涓紝鐐?/p>
D
鍦?/p>
BC
鐨勫欢闀跨嚎涓婏紝鐐?/p>
F
鏄?/p>
AB
杈逛笂涓�鐐癸紝寤堕暱
CA
鍒?/p>
E
锛?/p>
杩?/p>
EF
鍒欌垹
1
锛屸垹
2
锛屸垹
3
鐨勫ぇ灏忓叧绯绘槸
_________
锛?/p>
15
銆佸凡鐭ュ垎寮?/p>
鐨勫�间负闆讹紝閭ｄ箞
x
鐨勫�兼槸
_________