缁濆瘑鈽呭惎鐢ㄥ墠
2018
骞存櫘閫氶珮绛夊鏍℃嫑鐢熷叏鍥界粺涓�鑰冭瘯锛堝ぉ娲ュ嵎锛?/p>
鏁板锛堟枃鍙茬被锛?/p>
鏈瘯鍗峰垎涓虹鈪犲嵎锛堥�夋嫨棰橈級鍜岀鈪″嵎锛堥潪閫夋嫨棰橈級涓ら儴鍒嗭紝鍏?/p>
150
鍒嗭紝鑰冭瘯鐢ㄦ椂
120
鍒嗛挓銆傜鈪犲嵎
1
鑷?/p>
2
椤碉紝绗叀鍗?/p>
3
鑷?/p>
5
椤点�?/p>
绛斿嵎鍓嶏紝鑰冪敓鍔″繀灏嗚嚜宸辩殑濮撳悕銆佸噯鑰冭瘉鍙峰～鍐欏湪绛旈鑰冧笂锛屽苟鍦ㄨ瀹氫綅缃矘璐磋�冭瘯鐢ㄦ潯褰㈢爜銆傜瓟鍗锋椂锛岃�?/p>
鐢熷姟蹇呭皢绛旀娑傚啓鍦ㄧ瓟棰樺崱涓婏紝绛斿湪璇曞嵎涓婄殑鏃犳晥銆傝�冭瘯缁撴潫鍚庯紝灏嗘湰璇曞嵎鍜岀瓟棰樺崱涓�骞朵氦鍥炪�?/p>
绁濆悇浣嶈�冪敓鑰冭瘯椤哄埄锛?/p>
绗厾鍗?/p>
娉ㄦ剰浜嬮」锛?/p>
1
锛庢瘡灏忛閫夊嚭绛旀鍚庯紝鐢ㄩ搮绗斿皢绛旈鍗′笂瀵瑰簲棰樼洰鐨勭瓟妗堟爣鍙锋秱榛戙�傚闇�鏀瑰姩锛岀敤姗＄毊鎿﹀共鍑�鍚庯紝鍐嶉�夋秱鍏?/p>
浠栫瓟妗堟爣鍙枫�?/p>
2
锛庢湰鍗峰叡
8
灏忛锛屾瘡灏忛
5
鍒嗭紝鍏?/p>
40
鍒嗐�?/p>
鍙傝�冨叕寮忥細
路濡傛灉浜嬩欢
A
锛?/p>
B
浜掓枼锛岄偅涔?/p>
P
(
A
鈭?/p>
B
)=
P
(
A
)+
P
(
B
)
锛?/p>
路妫辨煴鐨勪綋绉叕寮?/p>
V
=
Sh
.
鍏朵腑
S
琛ㄧず妫辨煴鐨勫簳闈㈤潰绉紝
h
琛ㄧず妫辨煴鐨勯珮锛?/p>
路妫遍敟鐨勪綋绉叕寮?/p>
1
3
V
Sh
飥?
锛屽叾涓?/p>
S
琛ㄧず妫遍敟鐨勫簳闈㈢Н锛?/p>
h
琛ㄧず妫遍敟鐨勯珮
.
涓�
锛?/p>
閫夋嫨棰橈細鍦ㄦ瘡灏忛缁欏嚭鐨勫洓涓�夐」涓紝鍙湁涓�椤规槸绗﹀悎棰樼洰瑕佹眰鐨?/p>
.
锛?/p>
1
锛夎闆嗗悎
{
1,2,3,4}
A
飥?/p>
锛?/p>
{
1,0,2,3}
B
飥?/p>
飥?/p>
锛?/p>
{
|
1
2}
C
x
x
飥?/p>
飪?/p>
飥?/p>
飩?/p>
飥?/p>
R
锛屽垯
(
)
A
B
C
飥?/p>
锛?/p>
A
锛?/p>
{
1,1
}
飥?/p>
锛?/p>
B
锛?/p>
{0,1}
锛?/p>
C
锛?/p>
{
1,0,1
}
飥?/p>
锛?/p>
D
锛?/p>
{2,3,4}
锛?/p>
2
锛夎鍙橀噺
,
x
y
婊¤冻绾︽潫鏉′欢
5
2
4
1
0
x
y
x
y
x
y
y
飥?/p>
飩?/p>
飪?/p>
飪?/p>
飥?/p>
飩?/p>
飪?
飪?/p>
飥?/p>
飥?/p>
飩?/p>
飪?/p>
飪?/p>
飩?/p>
飪?/p>
锛?/p>
锛?/p>
锛?/p>
锛?
鍒欑洰鏍囧嚱鏁?/p>
3
5
z
x
y
飥?/p>
飥?/p>
鐨勬渶澶у�间负
锛?/p>
A
锛?/p>
6
锛?/p>
B
锛?/p>
19
锛?/p>
C
锛?/p>
21
锛?/p>
D
锛?/p>
45
锛?/p>
3
锛夎
x
飪?/p>
R
锛屽垯鈥?/p>
3
8
x
飥?/p>
鈥濇槸鈥?/p>
|
|
2
x
飥?/p>
鈥?/p>
鐨?/p>
锛?/p>
A
锛夊厖鍒嗚�屼笉蹇呰鏉′欢
锛?/p>
B
锛夊繀瑕佽�屼笉鍏呭垎鏉′欢