2019
骞撮珮涓暟瀛﹀崟鍏冩祴璇曡瘯棰?/p>
鎸囨暟鍑芥暟鍜屽鏁板嚱鏁?
锛堝惈绛旀锛?/p>
瀛︽牎锛?/p>
__________
濮撳悕锛?/p>
__________
鐝骇锛?/p>
__________
鑰冨彿锛?/p>
__________
棰樺彿
涓�
浜?/p>
涓?/p>
鎬诲垎
寰楀垎
绗?/p>
I
鍗凤紙閫夋嫨棰橈級
璇风偣鍑讳慨鏀圭
I
鍗风殑鏂囧瓧璇存槑
涓�銆侀�夋嫨棰?/p>
1
锛?/p>
锛?/p>
2012
澶╂触鐞嗭級鍑芥暟
3
(
)=2
+
2
x
f
x
x
飥?/p>
鍦ㄥ尯闂?/p>
(0,1)
鍐呯殑闆剁偣涓暟鏄紙
锛?/p>
A
锛?/p>
0
B
锛?/p>
1
C
锛?/p>
2
D
锛?/p>
3
2
锛?/p>
宸茬煡鍑芥暟
f
(
x
)=|lg
x
|
锛庤嫢
0<
a
<b,
涓?/p>
f
(
a
)=
f
(
b
),
鍒?/p>
a
+2b
鐨勫彇鍊艰寖鍥存槸
3
锛?/p>
璁?/p>
a
锛?/p>
1,
涓?/p>
2
log
(
1),
log
(
1),
log
(2
)
a
a
a
m
a
n
a
p
a
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
,
鍒?/p>
p
n
m
,
,
鐨勫ぇ灏忓叧绯讳负
A
锛?/p>
n
锛?/p>
m
锛?/p>
p
B
锛?/p>
m
锛?/p>
p
锛?/p>
n
C
锛?/p>
m
锛?/p>
n
锛?/p>
p
D
锛?/p>
p
锛?/p>
m
锛?/p>
n(2007
瀹夊窘
鏂?/p>
8)
4
锛?/p>
鑻?/p>
log
a
2<log
b
2<0
锛屽垯
( )
A
锛?/p>
0<
a
<
b
<1
B
锛?/p>
0<
b
<
a
<1
C
锛?/p>
a
>
b
>1
D
锛?/p>
b
>
a
>1
锛?/p>
1992
灞变笢鐞?
7
锛?/p>
5
锛?/p>
涓変釜鏁?/p>
6
0
锛?/p>
7
锛?/p>
0
锛?/p>
7
6
锛?/p>
log
0
锛?/p>
7
6
鐨勫ぇ灏忛『搴忔槸锛?/p>
锛?/p>
A
锛?/p>
0
锛?/p>
7
6
锛?/p>
log
0
锛?/p>
7
6
锛?/p>
6
0
锛?/p>
7
B
锛?/p>
0
锛?/p>
7
6
锛?/p>
6
0
锛?/p>
7
锛?/p>
log
0
锛?/p>
7
6
C
锛?/p>
log
0
锛?/p>
7
6
锛?/p>
6
0
锛?/p>
7
锛?/p>
0
锛?/p>
7
6
D
锛?/p>
log
0
锛?/p>
7
6
锛?/p>
0
锛?/p>
7
6
锛?/p>
6
0
锛?/p>
7
锛?/p>
1997
涓婃捣
2
锛?/p>
6
锛?/p>
鑻ュ嚱鏁?/p>
)
1
0
(
log
)
(
飥?/p>
飥?/p>
飥?/p>
a
x
x
f
a
鍦ㄥ尯闂?/p>
]
2
,
[
a
a
涓婄殑鏈�澶у�兼槸鏈�灏忓�肩殑
3
鍊嶏紝鍒?/p>
a
=
锛?/p>
锛?/p>