鏁板垪
1
銆?/p>
锛堝寳浜�佸唴钂欏彜銆佸畨寰芥槬瀛ｅ嵎锛夋牴鎹競鍦鸿皟鏌ョ粨鏋滐紝棰勬祴鏌愮瀹剁敤鍟嗗搧浠庡勾鍒濆紑濮嬬殑
n
涓湀
鍐呯疮绉殑闇�姹傞噺
n
S
锛堜竾浠讹級杩戜技鍦版弧瓒?/p>
)
12
,
,
2
,
1
)(
5
21
(
90
2
飦?/p>
飦?/p>
飥?/p>
飥?/p>
飥?/p>
飥?
n
n
n
n
S
n
鎸夋棰勬祴锛屽湪鏈勾搴﹀唴锛岄渶姹傞噺瓒呰繃
1.5
涓囦欢鐨勬湀浠芥槸
锛?/p>
C
锛?/p>
锛?/p>
A
锛?/p>
5
鏈堛�?/p>
6
鏈?/p>
锛?/p>
B
锛?/p>
6
鏈堛�?/p>
7
鏈?/p>
锛?/p>
C
锛?/p>
7
鏈堛�?/p>
8
鏈?/p>
锛?/p>
D
锛?/p>
8
鏈堛�?/p>
9
鏈?/p>
2
銆?/p>
锛堜笂娴锋槬瀛ｅ嵎锛夎嫢鏁板垪
}
{
n
a
鍓?/p>
8
椤圭殑鍊煎悇寮傦紝涓?/p>
n
8
n
a
a
飥?/p>
飥?/p>
瀵逛换鎰忕殑
N
n
飪?/p>
閮芥垚绔嬶紝鍒欎笅鍒?/p>
鏁板垪涓彲鍙栭亶
}
{
n
a
鍓?/p>
8
椤瑰�肩殑鏁板垪涓?/p>
锛?/p>
B
锛?/p>
锛?/p>
A
锛?/p>
}
{
1
2
飥?/p>
k
a
锛?/p>
B
锛?/p>
}
{
1
3
飥?/p>
k
a
锛?/p>
C
锛?/p>
}
{
1
4
飥?/p>
k
a
锛?/p>
D
锛?/p>
}
{
1
6
飥?/p>
k
a
3
銆?/p>
锛堟睙瑗裤�佸北瑗裤�佸ぉ娲ュ嵎锛夎嫢
S
n
鏄暟鍒?/p>
{a
n
}
鐨勫墠
n
椤瑰拰锛屼笖
,
2
n
S
n
飥?/p>
鍒?/p>
}
{
n
a
鏄?/p>
锛?/p>
B
锛?/p>
锛?/p>
A
锛夌瓑姣旀暟鍒楋紝浣嗕笉鏄瓑宸暟鍒?/p>
锛?/p>
B
锛夌瓑宸暟鍒楋紝浣嗕笉鏄瓑姣旀暟鍒?/p>
锛?/p>
C
锛夌瓑宸暟鍒楋紝鑰屼笖涔熸槸绛夋瘮鏁板垪
锛?/p>
D
锛夋棦闈炵瓑姣旀暟鍒楀張闈炵瓑宸暟鍒?/p>
4
銆?/p>
锛堝叏鍥藉嵎锛?/p>
璁?/p>
飦?/p>
飦?/p>
n
a
鏄�掑绛夊樊鏁板垪锛?/p>
鍓嶄笁椤圭殑鍜屼负
12
锛?/p>
鍓嶄笁椤圭殑绉负
48
锛?/p>
鍒欏畠鐨勯椤规槸
锛?/p>
B
锛?/p>
锛?/p>
A
锛?/p>
1
锛?/p>
B
锛?/p>
2
锛?/p>
C
锛?/p>
4
锛?/p>
D
锛?/p>
6
5
銆?/p>
锛堟睙瑗裤�佸北瑗裤�佸ぉ娲ャ�佸箍涓滃嵎锛夎锝?/p>
a
n
锝濇槸鍏瘮涓?/p>
q
鐨勭瓑姣旀暟鍒楋紝
S
n
鏄畠鐨勫墠
n
椤瑰拰锛?/p>
鑻ワ經
S
n
锝濇槸绛夊樊鏁板垪锛屽垯
q
=
1
.
6
銆?/p>
锛?/p>
涓?/p>
娴?/p>
鐞?/p>
绉?/p>
鍗?/p>
锛?/p>
璁?/p>
鏁?/p>
鍒?/p>
鐨?/p>
閫?/p>
椤?/p>
涓?/p>
a
n
=2n
锛?/p>
7(n
鈭?/p>
N)
锛?/p>
鍒?/p>
|a
1
|
锛?/p>
|a
2
|
鈥?/p>
鈥?/p>
锛?
|a
10
|=
153
.
7
銆?/p>
锛堜笂娴锋枃绉戝嵎锛夎鏁板垪
鐨勯椤?
,
涓旀弧瓒?
,
鍒?/p>
a
1
锛?
a
2
鈥︹�︼紜
a
17
=
153
.
8
銆?/p>
锛堟睙瑗裤�佸北瑗裤�佸ぉ娲ャ�佸箍涓滄枃绉戝嵎锛夊凡鐭ョ瓑宸暟鍒楀墠涓夐」涓?/p>
a
锛?/p>
4
锛?/p>
3a
锛屽墠
n
椤圭殑鍜屼负
S
n
锛?/p>
S
k
=2550
锛?/p>
锛堚厾锛夋眰
a
鍙?/p>
k
鐨勫�硷紱
锛堚叀锛夋眰
).
1
1
1
(
lim
2
1
n
n
S
S
S
飥?/p>
飥?/p>
飥?/p>
飩?
飩?/p>
飦?/p>
瑙ｏ細
锛?/p>
I
锛夎璇ョ瓑宸暟鍒椾负
{a
n
}
锛?/p>
鍒?/p>
.
2550
,
3
,
4
,
3
2
1
飥?/p>
飥?/p>
飥?/p>
飥?/p>
k
S
a
a
a
a
a
鐢卞凡鐭ユ湁
,
4
2
3
飩?/p>
飥?/p>
飥?/p>
a
a
瑙ｅ緱棣栭」
,
2
1
飥?/p>
飥?/p>
a
a
鍏樊
.
2
2
4
1
2
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
a
a
d