-
1
-
鐏溅绔?
鏉庡簞
涓冧笅鏈熸湡鏈?/p>
涓�銆侀�夋嫨棰橈細
(
鏈ぇ棰樺叡
10
涓皬棰橈紝姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒?/p>
)
1
锛庤嫢
m
锛烇紞
1
锛屽垯涓嬪垪鍚勫紡涓敊璇殑
锛庯紟锛?
鏄紙
锛?/p>
A
锛?/p>
6m
锛烇紞
6 B
锛庯紞
5m
锛滐紞
5 C
锛?/p>
m+1
锛?/p>
0 D
锛?/p>
1
锛?/p>
m
锛?/p>
2
2.
涓嬪垪鍚勫紡涓?/p>
,
姝ｇ‘鐨勬槸
( )
A.
16
=
卤
4 B.
卤
16
=4 C.
3
27
飥?/p>
=-3 D.
2
(
4)
飥?/p>
=-4
3
锛庡凡鐭?/p>
a
锛?/p>
b
锛?/p>
0
锛岄偅涔堜笅鍒椾笉绛夊紡缁勪腑鏃犺В
锛庯紟
鐨勬槸锛?/p>
锛?/p>
A
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
b
x
a
x
B
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
b
x
a
x
C
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
b
x
a
x
D
锛?/p>
飪?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
b
x
a
x
4
锛庝竴杈嗘苯杞﹀湪鍏矾涓婅椹讹紝涓ゆ鎷愬集鍚庯紝浠嶅湪鍘熸潵鐨勬柟鍚戜笂骞宠琛岄┒锛岄偅涔堜袱涓嫄寮殑瑙掑害
鍙兘涓?/p>
锛?/p>
锛?/p>
(A)
鍏堝彸杞?/p>
50
掳锛屽悗鍙宠浆
40
掳
(B)
鍏堝彸杞?/p>
50
掳锛屽悗宸﹁浆
40
掳
(C)
鍏堝彸杞?/p>
50
掳锛屽悗宸﹁浆
130
掳
(D)
鍏堝彸杞?/p>
50
掳锛屽悗宸﹁浆
50
掳
5
锛庤В涓?/p>
1
2
x
y
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飪?/p>
鐨勬柟绋嬬粍鏄紙
锛?/p>
A.
1
3
5
x
y
x
y
飥?/p>
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飪?/p>
B.
1
3
5
x
y
x
y
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飪?/p>
C.
3
3
1
x
y
x
y
飥?/p>
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飪?/p>
D.
2
3
3
5
x
y
x
y
飥?/p>
飥?/p>
飥?/p>
飪?/p>
飪?/p>
飥?/p>
飥?/p>
飪?
6
锛庡鍥撅紝鍦ㄢ柍
ABC
涓紝鈭?/p>
ABC=50
0
锛屸垹
ACB=80
0
锛?/p>
BP
骞冲垎鈭?/p>
ABC
锛?/p>
CP
骞冲垎鈭?/p>
ACB
锛屽垯鈭?/p>
BPC
鐨勫ぇ
灏忔槸锛?/p>
锛?/p>
A
锛?/p>
100
0
B
锛?/p>
110
0
C
锛?/p>
115
0
D
锛?/p>
120
0
P
C
B
A
灏忓垰
灏忓啗
灏忓崕
(1) (2) (3)
7
锛?/p>
鍥涙潯绾挎鐨勯暱鍒嗗埆涓?/p>
3
锛?/p>
4
锛?/p>
5
锛?/p>
7
锛?/p>
鍒欏畠浠灏剧浉杩炲彲浠ョ粍鎴愪笉鍚岀殑涓夎褰㈢殑涓暟鏄?/p>
锛?/p>
锛?/p>
A
锛?/p>
4 B
锛?/p>
3 C
锛?/p>
2 D
锛?/p>
1
8
锛?/p>
鍦ㄥ悇涓唴瑙掗兘鐩哥瓑鐨勫杈瑰舰涓紝
涓�涓瑙掔瓑浜庝竴涓唴瑙掔殑
1
2
锛?/p>
鍒欒繖涓杈瑰舰鐨勮竟鏁版槸
锛?/p>
锛?/p>
A
锛?/p>
5 B
锛?/p>
6 C
锛?/p>
7 D
锛?/p>
8
9
锛?/p>
濡傚浘锛?/p>
鈻?/p>
A
1
B
1
C
1
鏄敱鈻?/p>
ABC
娌?/p>
BC
鏂瑰悜骞崇Щ浜?/p>
BC
闀垮害鐨勪竴鍗婂緱鍒扮殑锛?/p>
鑻モ柍
ABC
鐨勯潰绉负
20
cm
2
锛?/p>
鍒欏洓杈瑰舰
A
1
DCC
1
鐨勯潰绉负锛?/p>
锛?/p>
A
锛?/p>
10 cm
2
B
锛?/p>
12 c
m
2
C
锛?/p>
15 cm
2
D
锛?/p>
17 cm
2
10.
璇鹃棿鎿嶆椂
,
灏忓崕銆佸皬鍐涖�佸皬鍒氱殑浣嶇疆濡傚浘
1,
灏忓崕瀵瑰皬鍒氳
,
濡傛灉鎴戠殑浣嶇疆鐢?/p>
(鈥?,0)
琛ㄧず
,
灏?/p>
鍐涚殑浣嶇疆鐢?/p>
(2,1)
琛ㄧず
,
閭ｄ箞浣犵殑浣嶇疆鍙互琛ㄧず鎴?/p>
( )
A.(5,4) B.(4,5) C.(3,4) D.(4,3)
浜屻�佸～绌洪锛氭湰澶ч鍏?/p>
8
涓皬棰橈紝姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
24
鍒嗭紝鎶婄瓟
妗堢洿鎺ュ～鍦ㄧ瓟棰樺嵎鐨勬í绾夸笂锛?/p>
11.49
鐨勫钩鏂规牴鏄?/p>
________,
绠楁湳骞虫柟鏍规槸
______,-8
鐨勭珛鏂规牴鏄?
C
1
A
1
A
B
B
1
C
D