浼樻潵鏂囧寲鍩硅涓績
1
鍖楀笀澶?/p>
鍏勾绾т笅
甯歌�冦�佹槗閿欓鍨嬮泦閿︼紙
1
锛?/p>
1
銆佽嫢
a
2
琛ㄧず涓�涓暣鏁帮紝鍒欐暣鏁?/p>
a
鍙互鍙栫殑鍊兼湁
(
)
A
锛?/p>
1
涓?/p>
B
锛?/p>
2
涓?/p>
锛ｏ紟
3
涓?/p>
锛わ紟
4
涓?/p>
2
銆佽嫢鍒嗗紡
y
x
y
x
飥?/p>
飥?/p>
涓殑
x
銆?/p>
y
鐨勫�奸兘鍙樹负鍘熸潵鐨?/p>
3
鍊嶏紝鍒欏垎寮忕殑鍊?/p>
锛?/p>
锛?/p>
A
銆佷笉鍙?/p>
B
銆佹槸鍘熸潵鐨?/p>
3
鍊?/p>
C
銆佹槸鍘熸潵鐨?/p>
3
1
D
銆佹槸鍘熸潵鐨?/p>
6
1
5
銆佽嫢锛?/p>
a
b
=
c
d
=
e
f
=
g
h
=3
锛屽垯
a
锛?/p>
c
锛?/p>
e
锛?/p>
g
b
锛?/p>
d
锛?/p>
f
锛?/p>
h
=
銆傝嫢锛?/p>
m
n
=
2
3
锛屽垯
m
锛?/p>
n
n
锛?/p>
銆?/p>
6
銆?/p>
锛?/p>
1
锛?/p>
4
2
3
3
ay
ax
飥?/p>
锛?/p>
2
锛?/p>
4
)
(
)
(
4
2
飥?/p>
飥?/p>
飥?/p>
飥?/p>
b
a
b
a
7
銆佸凡鐭ュ叧浜?/p>
x
鐨勬柟绋?/p>
3k
锛?/p>
5x
锛濓紞
9
鐨勮В鏄潪璐熸暟锛屾眰
k
鐨勫彇鍊艰寖鍥淬�?/p>
8
銆佹煇鍟嗗満鏂囧叿閮ㄧ殑鏌愮姣涚瑪姣忔敮鍞环
25
鍏冿紝涔︽硶缁冧範鏈瘡鏈敭浠?/p>
5
鍏冦�傝鍟嗗満涓轰績閿�鍒跺畾浜嗗涓嬩袱绉嶄紭
鎯犳柟寮忥細
绗竴绉嶏細涔颁竴鏀瘺绗旈檮璧犱竴鏈功娉曠粌涔犳湰锛?/p>
绗簩绉嶏細鎸夎喘涔伴噾棰濇墦涔濇姌浠樻銆?/p>
鍏勾绾э紙
2
锛夌彮鐨勫皬鏄庢兂涓烘湰鐝功娉曞叴瓒ｅ皬缁勮喘涔拌繖绉嶆瘺绗?/p>
10
鏀紝涔︽硶缁冧範鏈?/p>
x
锛?/p>
x
鈮?/p>
10
锛夋湰銆傝瘯闂?/p>
灏忔槑搴旇閫夋嫨鍝竴绉嶄紭鎯犳柟寮忔墠鏇寸渷閽憋紵
锛堝埄鐢ㄤ竴娆″嚱鏁颁笌涓嶇瓑寮忥紙缁勶級鐨勭煡璇嗚繘琛岃В绛旓級
9
銆佸嚱鏁?/p>
y
锛?/p>
kx
锛?/p>
b
锛?/p>
k
銆?/p>
b
涓哄父鏁帮紝
k
飩?/p>
0
锛夌殑鍥捐薄濡傚浘鎵�绀猴紝鍒欏叧浜?/p>
x
鐨勪笉绛?/p>
寮?/p>
kx+b>0
鐨勮В闆嗕负锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
x>0
B
锛?/p>
x<0
C
锛?/p>
x<2
D
锛?/p>
x>2