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1. 1.2
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銆愭暀瀛︾洰鏍?/p>
銆?/p>
(1)
浜嗚В闆嗗悎涔嬮棿鍖呭惈涓庣浉绛夌殑鍚箟锛岃兘璇嗗埆缁欏畾闆嗗悎鐨勫瓙闆嗐�?/p>
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.
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.
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銆愭暀瀛﹁繃绋嬨�?/p>
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7
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5
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3
绛夌瓑锛岀被姣斿疄鏁颁箣闂寸殑鍏崇郴锛屼綘
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璁╂垜浠竴
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浜屻�佹柊鐭ユ帰绌?/p>
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2
锛氳瀵熶笅闈㈠嚑涓緥瀛愶紝浣犺兘鍙戠幇涓や釜闆嗗悎闂存湁浠�涔堝叧绯讳簡鍚楋紵
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1
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A
B
飥?/p>
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(2)
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A
涓烘煇涓楂樹竴
(3)
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B
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(3)
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.
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A
锛?/p>
B
锛屽鏋滈泦鍚?/p>
A
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B
涓殑鍏冪礌锛屾垜
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A
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B
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.
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(
)
A
B
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A
飪?/p>
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鍖呭惈
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.
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绫讳技涔嬪锛?/p>
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2
鍒嗗埆鏄〃绀洪棶
棰?/p>
2
涓疄渚?/p>
1
鍜屽疄渚?/p>
3
鐨?/p>
Venn
鍥?/p>
.
鍥?/p>
1
鍥?/p>
2
闂
3
锛氫笌瀹炴暟涓殑缁撹鈥滆嫢
,
,
a
b
b
a
a
b
飩?/p>
飩?/p>
飥?/p>
涓?/p>
鍒?/p>
鈥濈浉绫绘瘮锛屽湪闆嗗悎涓紝浣犺兘寰楀嚭
浠�涔堢粨璁?/p>
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鏁欏笀寮曞瀛︾敓閫氳繃绫绘瘮锛屾�濊�冨緱鍑虹粨璁?/p>
:
鑻?/p>
,
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A
B
B
A
A
B
飪?/p>
飪?/p>
飥?/p>
涓?/p>
鍒?/p>
.
3
銆佹牳瀵归涔犲妗堢殑绛旀
瀛︾敓鍙戣█銆佽ˉ鍏咃紝鏁欏笀瀹屾暣褰掔撼銆?/p>
涓夈�?/p>
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