绮惧搧鏂囨。锛屾杩庝笅杞斤紒
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濡傛灉鎮ㄥ枩娆㈣繖浠芥枃妗ｏ紝娆㈣繋涓嬭浇锛佺鎮ㄦ垚缁╄繘姝ワ紝瀛︿範鎰夊揩锛?/p>
涓婃捣甯傞噾灞卞尯
2018
灞婇珮涓夋暟瀛︿笂瀛︽湡鏈熸湯璐ㄩ噺鐩戞帶璇曢
(
婊″垎锛?/p>
150
鍒嗭紝瀹屽嵎鏃堕棿锛?/p>
120
鍒嗛挓
)
锛堢瓟棰樿鍐欏湪绛旈绾镐笂锛?/p>
涓�銆佸～绌洪锛堟湰澶ч鍏辨湁
12
棰橈紝婊″垎
54
鍒嗭紝绗?/p>
1
鈥?/p>
6
棰樻瘡棰?/p>
4
鍒嗭紝绗?/p>
7
鈥?/p>
12
棰樻瘡棰?/p>
5
鍒嗭級
鑰?/p>
鐢熷簲鍦ㄧ瓟棰樼焊鐩稿簲缂栧彿鐨勭┖鏍煎唴鐩存帴濉啓缁撴灉锛?/p>
1
锛庤嫢鍏ㄩ泦
U
=R
锛岄泦鍚?/p>
A
={
x
|
x
鈮?/p>
0
鎴?/p>
x
鈮?/p>
2}
锛屽垯
U
A
=
锛?/p>
2
锛庝笉绛夊紡
0
1
飥?/p>
飥?/p>
x
x
鐨勮В涓?/p>
锛?/p>
3
锛庢柟绋嬬粍
飪?/p>
飪?
飪?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
5
3
2
1
2
3
y
x
y
x
鐨勫骞跨煩闃垫槸
锛?/p>
4
锛庤嫢澶嶆暟
z
=2
鈥?/p>
i
锛?/p>
i
涓鸿櫄鏁板崟浣嶏級
锛屽垯
z
z
z
飥?/p>
飪?/p>
=
锛?/p>
5
锛庡凡鐭?/p>
F
1
銆?/p>
F
2
鏄き鍦?
1
9
25
2
2
飥?/p>
飥?/p>
y
x
鐨勪袱涓劍鐐癸紝
P
鏄き鍦嗕笂鐨勪竴涓姩鐐癸紝鍒?/p>
|
PF
1
|
|
PF
2
|
鐨勬渶
澶у�兼槸
_______
锛?/p>
6
锛庡凡鐭?/p>
x
锛?/p>
y
婊¤冻
飪?/p>
飪?
飪?
飪?/p>
飪?/p>
飩?/p>
飩?/p>
飥?/p>
飥?/p>
飩?/p>
飥?/p>
飥?/p>
2
0
3
0
1
x
y
x
y
x
锛屽垯鐩爣鍑芥暟
k
=2
x
+
y
鐨勬渶澶у�间负
锛?/p>
7
锛庝粠涓�鍓贩鍚堝悗鐨勬墤鍏嬬墝锛?/p>
52
寮狅級涓殢鏈烘娊鍙?/p>
1
寮狅紝浜嬩欢
A
涓衡�滄娊寰楃孩妗?/p>
K
鈥?/p>
锛屼簨浠?/p>
B
涓衡�滄娊
寰椾负榛戞鈥?/p>
锛屽垯姒傜巼
P
(
A
鈭?/p>
B
)=
锛堢粨鏋滅敤鏈�绠�鍒嗘暟琛ㄧず锛?/p>
锛?/p>
8
锛庡凡鐭ョ偣
A
(2
锛?/p>
3)
銆佺偣
B
(
鈥?/p>
2
锛?/p>
3
)
锛岀洿绾?/p>
l
杩囩偣
P
(
鈥?/p>
1
锛?/p>
0)
锛岃嫢鐩寸嚎
l
涓庣嚎娈?/p>
AB
鐩镐氦锛屽垯
鐩寸嚎
l
鐨勫�炬枩瑙掔殑鍙栧�艰寖鍥存槸
锛?/p>
9.
鏁板垪
{
a
n
}
鐨勯�氶」鍏紡鏄?/p>
a
n
=
2
n
鈥?/p>
1
(
n
N
*
)
锛?/p>
鏁板垪
{
b
n
}
鐨勯�氶」鍏紡鏄?/p>
b
n
=3
n
(
n
N
*
)
锛?/p>
浠ら泦鍚?/p>
A
={
a
1
锛?
a
2
锛屸�︼紝
a
n
锛屸�?/p>
}
锛?/p>
B
={
b
1
锛?/p>
b
2
锛屸�︼紝
b
n
锛屸�?/p>
}
锛?/p>
n
N
*
锛庡皢闆嗗悎
A
鈭?/p>
B
涓殑鎵�鏈夊厓绱犳寜浠庡皬鍒板ぇ
鐨勯『搴忔帓鍒楋紝鏋勬垚鐨勬暟鍒楄涓?/p>
{
c
n
}
锛庡垯鏁板垪
{
c
n
}
鐨勫墠
28
椤圭殑鍜?/p>
S
28
=
锛?/p>
10
锛庡悜閲?/p>
i
銆?/p>
j
鏄钩闈㈢洿瑙掑潗鏍囩郴
x
杞淬�?/p>
y
杞寸殑鍩烘湰鍗曚綅鍚戦噺锛屼笖
|
a
鈥?/p>
i
|+|
a
鈥?/p>
2
j
|=
5
锛?
鍒?/p>
|
2
|
i
a
飥?/p>
鐨勫彇鍊艰寖鍥翠负
锛?/p>
11
锛庢煇鍦板尯鍘熸湁妫灄鏈ㄦ潗瀛樻湁閲忎负
a
锛屼笖姣忓勾澧為暱鐜囦负
25%
锛屽洜鐢熶骇寤鸿鐨勯渶瑕侊紝姣忓勾骞存湯瑕?
鐮嶄紣鐨勬湪鏉愰噺涓?
10
1
a
锛岃
a
n
涓虹
n
骞存湯鍚庤鍦板尯妫灄鏈ㄦ潗瀛橀噺锛屽垯
a
n
=
锛?/p>