鈥滄睙娣崄鏍♀�?/p>
2018
灞婇珮涓夌浜屾鑱旇�?/p>
鏁?/p>
瀛?/p>
(
鏂囩
)
涓�銆侀�夋嫨棰橈細鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
60
鍒嗐�傚湪姣忓皬棰樼粰鍑虹殑鍥涗釜閫夐」涓紝鍙湁
涓�涓�夐」鏄鍚堥鐩姹傜殑銆?/p>
1.
宸茬煡鍏ㄩ泦
U
锛?/p>
R
锛岄泦鍚?/p>
A
锛?/p>
{
x
|
y
锛?/p>
ln(1
锛?/p>
x
)}
锛?/p>
B
锛?/p>
{
x
|
2
x
锛?/p>
2
x
锛?/p>
0)}
锛屽垯
A
鈭?/p>
B
锛?/p>
A
锛?/p>
(0
锛?/p>
1)
B
锛?/p>
(0
锛?/p>
2)
C
锛?/p>
(1
锛?/p>
2)
D
锛?/p>
1
锛?/p>
2)
2.
鑻ュ悜閲?/p>
a
銆?/p>
b
婊¤冻
|
a
|
锛?/p>
5
锛?/p>
b
锛?/p>
(1
锛岋紞
3)
锛?/p>
a
路
b
锛?/p>
5
锛屽垯
a
涓?/p>
b
鐨勫す瑙掍负
A
锛?/p>
90
掳
B
锛?/p>
60
掳
C
锛?/p>
45
掳
D
锛?/p>
30
掳
3.
宸茬煡
p
锛?/p>
|
m
锛?/p>
1|
锛?/p>
1
锛?/p>
q
锛氬箓鍑芥暟
y
锛?/p>
(
2
m
锛?/p>
m
锛?/p>
1)
m
x
鍦?/p>
(0
锛岋紜鈭?/p>
)
涓婂崟璋冮�掑噺锛屽垯
p
鏄?/p>
q
鐨?/p>
A
锛庡厖鍒嗕笉蹇呰鏉′欢
B
锛庡繀瑕佷笉鍏呭垎鏉′欢
C
锛庡厖瑕佹潯浠?/p>
D
锛庢棦涓嶅厖鍒嗕篃涓?/p>
蹇呰鏉′欢
4.
宸茬煡绛夊樊鏁板垪
{
n
a
}
鐨勫墠
n
椤瑰拰
n
S
锛岃嫢
3(
2
a
锛?/p>
4
a
)
锛?/p>
2(
6
a
锛?/p>
9
a
锛?/p>
12
a
)
锛?/p>
12
锛屽垯
11
S
锛?/p>
A
锛?/p>
6
B
锛?/p>
11
C
锛?/p>
33
D
锛?/p>
48
5.
涓嬪垪鍛介涓纭殑鏄?/p>
A
锛庡懡棰樷�?/p>
x
飥?/p>
鈭?/p>
0
锛?/p>
1]
锛屼娇
2
x
锛?/p>
1
鈮?/p>
0
鈥濈殑鍚﹀畾涓衡�?/p>
x
飥?/p>
鈭?/p>
0
锛?/p>
1]
锛岄兘鏈?/p>
2
x
锛?/p>
1
鈮?/p>
0
鈥?/p>
B
锛庤嫢鍛介
p
涓哄亣鍛介锛屽懡棰?/p>
q
涓虹湡鍛介锛屽垯
(
p
飪?/p>
)
鈭?/p>
(
q
飪?/p>
)
涓哄亣鍛介
C
锛庡懡棰樷�滆嫢
a
路
b
锛?/p>
0
锛屽垯
a
涓?/p>
b
鐨勫す瑙掍负閿愯鈥濆強瀹冪殑閫嗗懡棰樺潎涓虹湡鍛介
D
锛?/p>
鍛介
鈥滆嫢
2
x
锛?/p>
x
锛?/p>
0
锛?/p>
鍒?/p>
x
锛?/p>
0
鎴?/p>
x
锛濓紞
1
鈥?/p>
鐨勯�嗗惁鍛介涓?/p>
鈥滆嫢
x
鈮?/p>
0
涓?/p>
x
鈮狅紞
1
锛?/p>
鍒?/p>
2
x
锛?/p>
x
鈮?/p>
0
鈥?/p>
6.
宸茬煡鍑芥暟
f
(
x
)
锛?/p>
sin
蠅
x
锛?/p>
3
cos
蠅
x
(
蠅
锛?/p>
0)
鐨勫浘鍍忎笌
x
杞翠氦鐐圭殑妯潗鏍囦緷娆℃瀯鎴愪竴涓?
鍏樊涓?
2
飦?/p>
鐨勭瓑宸暟鍒楋紝鎶婂嚱鏁?/p>
f
(
x
)
鐨勫浘鍍忔部
x
杞村悜鍙冲钩绉?/p>
6
飦?
涓崟浣嶏紝
寰楀埌鍑芥暟
g
(
x
)
鐨?/p>
鍥惧儚锛屽垯涓嬪垪鍙欒堪涓嶆纭殑鏄?/p>
A
锛?/p>
g
(
x
)
鐨勫浘鍍忓叧浜庣偣
(
锛?/p>
2
飦?
锛?/p>
0)
瀵圭О
B
锛?/p>
g
(
x
)
鐨勫浘鍍忓叧浜庣洿绾?/p>
x
锛?/p>
4
飦?
瀵圭О
C
锛?/p>
g
(
x
)
鍦?
4
飦?/p>
锛?/p>
2
飦?
]
涓婃槸澧炲嚱鏁?/p>
D
锛?/p>
g
(
x
)
鏄鍑芥暟
7.
鍑芥暟
f
(
x
)
锛?/p>
2
2
锛?/p>
2
x
x
x
e
澶ц嚧鍥惧儚鏄?/p>
A B C D
8.
鍦ㄢ柍
AOB
涓紝
G
涓?/p>
AB
杈逛笂涓�鐐癸紝
OG
鏄垹
AOB
鐨勫钩鍒嗙嚎锛屼笖
OG
锛?/p>
2
5
OA
锛?/p>
m
OB
锛?/p>
m
鈭?/p>
R
锛?
鍒?/p>
|
|
|
|
OA
OB
鐨勫�间负
A
锛?/p>
1
2
B
锛?/p>
1
C
锛?/p>
3
2
D
锛?/p>
2
9.
宸茬煡鈻?/p>
ABC
锛岃
A
銆?/p>
B
銆?/p>
C
鐨勫杈瑰垎鍒负
a
銆?/p>
b
銆?/p>
c
锛?/p>
b
锛?/p>
2
锛?/p>
B
锛?/p>
6
飦?/p>
锛?/p>
sin
cos
2
1
锛?/p>
2
C
C
锛?/p>
1
锛屽垯鈻?/p>
ABC
O
x
y
O
x
y
O
x
y
O
x
y