璇炬椂瑙勮寖缁?/p>
(
鎺堣鎻愮ず锛氬搴斿鐢熺敤涔︾
271
椤?/p>
)
A
缁?/p>
鍩虹瀵圭偣缁?/p>
1
锛?/p>
(2018路
涓夋槑鏈熶腑
)
璁炬暟鍒?/p>
{
a
n
}
鏄椤逛负
1
锛?/p>
鍏瘮涓猴紞
3
鐨勭瓑姣旀暟鍒楋紝
鍒?/p>
a
1
锛?/p>
|
a
2
|
锛?/p>
a
3
锛?/p>
|
a
4
|
锛?/p>
a
5
锛?/p>
(
B
)
A
锛?/p>
61
B
锛?/p>
121
C
锛庯紞
25
D
锛?/p>
27
2
锛庣瓑姣旀暟鍒?/p>
{
a
n
}
鐨勫墠
n
椤瑰拰涓?/p>
S
n
.
宸茬煡
S
3
锛?/p>
a
2
锛?/p>
10
a
1
锛?/p>
a
5
锛?/p>
9
锛屽垯
a
1
锛?/p>
(
C
)
A.
1
3
B
锛庯紞
1
3
C.
1
9
D
锛庯紞
1
9
3
锛庤棣栭」涓?/p>
1
锛屽叕姣斾负
2
3
鐨勭瓑姣旀暟鍒?/p>
{
a
n
}
鐨勫墠
n
椤瑰拰涓?/p>
S
n
锛屽垯
(
D
)
A
锛?/p>
S
n
锛?/p>
2
a
n
锛?/p>
1
B
锛?/p>
S
n
锛?/p>
3
a
n
锛?/p>
2
C
锛?/p>
S
n
锛?/p>
4
锛?/p>
3
a
n
D
锛?/p>
S
n
锛?/p>
3
锛?/p>
2
a
n
4
锛?/p>
鍦ㄧ瓑姣旀暟鍒?/p>
{
a
n
}
涓紝
S
n
琛ㄧず鍓?/p>
n
椤瑰拰锛?/p>
鑻?/p>
a
3
锛?/p>
2
S
2
锛?/p>
1
锛?/p>
a
4
锛?/p>
2
S
3
锛?/p>
1
锛?/p>
鍒欏叕姣?/p>
q
绛変簬
(
D
)
A
锛庯紞
3
B
锛庯紞
1
C
锛?/p>
1
D
锛?/p>
3
5
锛庢垜鍥藉彜浠ｆ暟瀛﹀悕钁椼�婄畻娉曠粺瀹椼�嬩腑鏈夊涓嬮棶棰橈細鈥滆繙鏈涘穽宸嶅涓冨眰锛岀孩鍏夌偣鐐瑰�嶅姞
澧烇紝鍏辩伅涓夌櫨鍏崄涓�锛岃闂皷澶村嚑鐩忕伅锛熲�濇剰鎬濇槸锛氫竴搴?/p>
7
灞傚鍏辨寕浜?/p>
381
鐩忕伅锛屼笖
鐩搁偦涓ゅ眰涓殑涓嬩竴灞傜伅鏁版槸涓婁竴灞傜伅鏁扮殑
2
鍊嶏紝鍒欏鐨勯《灞傚叡鏈夌伅
(
B
)
A
锛?/p>
1
鐩?/p>
B
锛?/p>
3
鐩?/p>
C
锛?/p>
5
鐩?/p>
D
锛?/p>
9
鐩?/p>
6
锛?/p>
鑻ョ瓑姣旀暟鍒?/p>
{
a
n
}
鐨勫悇椤瑰潎涓烘鏁帮紝
涓?/p>
a
5
a
6
锛?/p>
a
4
a
7
锛?/p>
18
锛?/p>
鍒?/p>
log
3
a
1
锛?/p>
log
3
a
2
锛嬧�︼紜
log
3
a
10
锛?/p>
(
D
)
A
锛?/p>
5
B
锛?/p>
9
C
锛?/p>
log
3
45
D
锛?/p>
10
7
锛庡凡鐭ユ暟鍒?/p>
{
a
n
}
涓虹瓑姣旀暟鍒楋紝
a
5
锛?/p>
1
锛?/p>
a
9
锛?/p>
81
锛屽垯
a
7
锛?/p>
(
B
)
A
锛?/p>
9
鎴栵紞
9
B
锛?/p>
9
C
锛?/p>
27
鎴栵紞
27
D
锛?/p>
27
8
锛?/p>
(2017路
閮戝窞璐ㄦ
)
宸茬煡绛夋瘮鏁板垪
{
a
n
}
鐨勫墠
n
椤瑰拰涓?/p>
S
n
锛岃嫢
a
2
5
锛?/p>
2
a
3
a
6
锛?/p>
S
5
锛濓紞
62
锛屽垯
a
1