併集
併集(∪)(亦稱union、粵拼:ju1 ni4 an4)係集合論嘅一個概念。A同B嘅併集,代表屬A、屬B或者兩隻都屬,兼唔屬其他元素。
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併集(∪)(亦稱union、粵拼:ju1 ni4 an4)係集合論嘅一個概念。A同B嘅併集,代表屬A、屬B或者兩隻都屬,兼唔屬其他元素。
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