骞胯タ鐪佹煶宸炲競銆佽吹娓競銆侀挦宸炲競銆佹渤姹犲競
2013
灞婇珮涓瘯涓氱彮涓�鏈堜唤
妯℃嫙鑰冭瘯
鏁板锛堟枃锛夎瘯棰?/p>
绗?/p>
I
鍗?/p>
锛堥�夋嫨棰橈紝鍏?/p>
60
鍒嗭級
涓�銆侀�夋嫨棰橈紙姣忛
5
鍒嗭紝鍏?/p>
12
灏忛锛屾弧鍒?/p>
60
鍒嗭級
1
锛庤闆嗗悎
{
1,
2,3,
4,5,6},
{
1,3,5},
U
U
M
C
M
飥?/p>
飥?/p>
鍒?/p>
=
A
锛?/p>
U
B
锛?/p>
{1
锛?/p>
3
锛?/p>
5}
C
锛?/p>
{2
锛?/p>
4
锛?/p>
6}
D
锛?/p>
{3
锛?/p>
4
锛?/p>
5}
2
锛庡凡鐭?/p>
4
sin
5
飦?/p>
飥?
锛屼笖
sin
cos
1
飦?/p>
飦?/p>
飥?/p>
飥?/p>
锛屽垯
sin
2
飦?/p>
飥?/p>
A
锛?/p>
24
25
飥?/p>
B
锛?/p>
12
25
飥?/p>
C
锛?/p>
4
5
飥?/p>
D
锛?
24
25
3
锛庡凡鐭ョ瓑宸暟鍒?/p>
{a
}
n
婊¤冻锛?/p>
1
1
2
3
101
0,
...
0,
a
a
a
a
a
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
鍒欎娇鍓?/p>
n
椤瑰拰
n
s
鍙栧緱鏈�澶у�?/p>
鐨?/p>
n
鍊间负
A
锛?/p>
50
B
锛?/p>
51
C
锛?/p>
50
鎴?/p>
51
D
锛?/p>
51
鎴?/p>
52
4
锛?/p>
鐩寸嚎
2
2
3
(
2)
(
3)
4
y
kx
x
y
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
涓?/p>
鐩镐氦浜?/p>
A
銆?/p>
B
涓ょ偣锛?/p>
鑻?/p>
|
|
2
3,
AB
k
飥?/p>
鍒?/p>
鐨勫�兼槸
A
锛?/p>
3
3
飥?
B
锛?/p>
3
3
飩?
C
锛?
3
3
D
锛?/p>
3
飩?/p>
5
锛庡凡鐭ュ钩闈㈠悜閲?/p>
(1,
2),
(
2,
)
a
b
m
飥?/p>
飥?/p>
飥?/p>
锛屼笖
//
a
b
锛屽垯
m
鐨勫�间负
A
锛?/p>
1
B
锛?/p>
-1
C
锛?/p>
4
D
锛?/p>
-4
6
锛庤嫢鏇茬嚎
2
2
(
,
)(
0)
y
x
a
a
a
飥?/p>
飥?/p>
鍦ㄧ偣
澶勭殑鍒囩嚎涓庡潗鏍囪酱鍥存垚鐨勪笁瑙掑舰闈㈢Н涓?/p>
2
锛屽垯
a
绛変簬
A
锛?/p>
2
B
锛?/p>
2
C
锛?/p>
4
D
锛?/p>
3
4
7
锛庡凡鐭ヤ竴涓钩闈?/p>
伪
锛岄偅涔堝浜庣┖闂村唴鐨勪换鎰忎竴鏉＄洿绾?/p>
伪
锛屽湪骞抽潰
伪
鍐呬竴瀹氬瓨鍦ㄤ竴鏉＄洿绾?/p>
b
锛?
浣垮緱
a
涓?/p>
b
A
锛庡钩琛?/p>
B
锛庣浉浜?/p>
C
锛庡紓闈?/p>
D
锛庡瀭鐩?/p>
8
锛庝粠
6
鍚嶇敺鐢熷拰
2
鍚嶅コ鐢熶腑閫夊嚭
3
鍚嶅織鎰胯�咃紝鍏朵腑鑷冲皯鏈変竴鍚嶅コ鐢熺殑閫夋硶鍏辨湁
A
锛?/p>
36
绉?/p>
B
锛?/p>
30
绉?/p>
C
锛?/p>
42
绉?/p>
D
锛?/p>
60
绉?/p>
9
锛庡嚱鏁?/p>
2
sin
cos
3
cos
3
y
x
x
x
飥?/p>
飥?/p>
飥?/p>
鐨勫浘鍍忕殑涓�鏉″绉拌酱鏄?/p>
A
锛?/p>
3
x
飦?/p>
飥?/p>
B
锛?/p>
6
x
飦?/p>
飥?
C
锛?/p>
12
x
飦?
飥?
D
锛?/p>
4
x
飦?/p>
飥?