绗?/p>
1
椤?/p>
鍏?/p>
7
椤?/p>
楂?/p>
涓�
鏁?/p>
瀛?/p>
蹇?/p>
淇?/p>
1
绗?/p>
涓�
绔?/p>
鐭?/p>
璇?/p>
鐐?/p>
鎬?/p>
缁?/p>
绗竴绔?/p>
闆嗗悎涓庡嚱鏁版蹇?/p>
涓�銆侀泦鍚堟湁鍏虫蹇?/p>
1.
闆嗗悎鐨勫惈涔?/p>
2.
闆嗗悎鐨勪腑鍏冪礌鐨勪笁涓壒鎬э細
(1)
鍏冪礌鐨勭‘瀹氭�у锛氫笘鐣屼笂鏈�楂樼殑灞?/p>
(2)
鍏冪礌鐨勪簰寮傛�у锛氱敱
HAPPY
鐨勫瓧姣嶇粍鎴愮殑闆嗗悎
{H,A,P,Y}
(3)
鍏冪礌鐨勬棤搴忔�?/p>
:
濡傦細
{a,b,c}
鍜?/p>
{a,c,b}
鏄〃绀哄悓涓�涓泦鍚?/p>
3.
闆嗗悎鐨勮〃绀猴細
{
鈥?/p>
}
濡傦細
{
鎴戞牎鐨勭鐞冮槦鍛?/p>
}
锛?/p>
{
澶钩娲?/p>
,
澶цタ娲?/p>
,
鍗板害娲?/p>
,
鍖楀啺娲?/p>
}
(1)
鐢ㄦ媺涓佸瓧姣嶈〃绀洪泦鍚堬細
A={
鎴戞牎鐨勭鐞冮槦鍛?/p>
},B={1,2,3,4,5}
(2)
闆嗗悎鐨勮〃绀烘柟娉曪細鍒椾妇娉曚笌鎻忚堪娉曘�?/p>
飦?/p>
娉ㄦ剰锛氬父鐢ㄦ暟闆嗗強鍏惰娉曪細
闈炶礋鏁存暟闆嗭紙鍗宠嚜鐒舵暟闆嗭級
璁颁綔锛?/p>
N
姝ｆ暣鏁伴泦
N*
鎴?/p>
N+
鏁存暟闆?/p>
Z
鏈夌悊鏁伴泦
Q
瀹炴暟闆?/p>
R
1
锛?/p>
鍒椾妇娉曪細
{a,b,c
鈥︹�?/p>
}
2
锛?/p>
鎻忚堪娉曪細
灏嗛泦鍚堜腑鐨勫厓绱犵殑鍏叡灞炴�ф弿杩板嚭鏉ワ紝
鍐欏湪澶ф嫭鍙峰唴琛ㄧず闆嗗悎鐨勬柟娉曘�?
{x
飪?/p>
R| x-3>2} ,{x| x-3>2}
3
锛?/p>
璇█鎻忚堪娉曪細渚嬶細
{
涓嶆槸鐩磋涓夎褰㈢殑涓夎褰?/p>
}
4
锛?/p>
Venn
鍥?/p>
:
4
銆侀泦鍚堢殑鍒嗙被锛?/p>
(1)
鏈夐檺闆?/p>
鍚湁鏈夐檺涓厓绱犵殑闆嗗悎
(2)
鏃犻檺闆?/p>
鍚湁鏃犻檺涓厓绱犵殑闆嗗悎
(3)
绌洪泦
涓嶅惈浠讳綍鍏冪礌鐨勯泦鍚?/p>
渚嬶細
{x|x
2
=
锛?/p>
5
锝?/p>
浜屻�侀泦鍚堥棿鐨勫熀鏈叧绯?/p>
1.
鈥滃寘鍚�濆叧绯烩�斿瓙闆?/p>
娉ㄦ剰锛?/p>
B
A
飪?/p>
鏈変袱绉嶅彲鑳斤紙
1
锛?/p>
A
鏄?/p>
B
鐨勪竴閮ㄥ垎锛?/p>
锛?/p>
锛?/p>
2
锛?/p>
A
涓?/p>
B
鏄悓涓�闆嗗悎銆?/p>
鍙嶄箣
:
闆嗗悎
A
涓嶅寘鍚簬闆嗗悎
B,
鎴栭泦鍚?/p>
B
涓嶅寘鍚泦鍚?/p>
A,
璁颁綔
A
飪?
飥?/p>
B
鎴?/p>
B
飪?/p>
飥?/p>
A
2
锛?/p>
鈥滅浉绛夆�濆叧绯伙細
A=B
(5
鈮?/p>
5
锛屼笖
5
鈮?/p>
5
锛屽垯
5=5)
瀹炰緥锛氳
A={x|x
2
-1=0}
B={-1,1}
鈥滃厓绱犵浉鍚屽垯涓ら泦鍚堢浉绛夆�?/p>
鍗筹細鈶?/p>
浠讳綍涓�涓泦鍚堟槸瀹冩湰韬殑瀛愰泦銆?/p>
A
飪?/p>
A
鈶＄湡瀛愰泦
:
濡傛灉
A
飪?/p>
B,
涓?/p>
A
飩?/p>
B
閭ｅ氨璇撮泦鍚?/p>
A
鏄泦鍚?/p>
B
鐨勭湡瀛愰泦锛岃浣?/p>
A
B(
鎴?
B
A)
鈶㈠鏋?/p>
A
飪?/p>
B, B
飪?/p>
C ,
閭ｄ箞
A
飪?/p>
C
鈶?/p>
濡傛灉
A
飪?/p>
B
鍚屾椂
B
飪?/p>
A
閭ｄ箞
A=B