6個
(0) (2) (3)
(0 2)(0 3)(2 3)
集合{0,2,3}得非空真子集個數(shù)是.
集合{0,2,3}得非空真子集個數(shù)是.
公式.
公式.
數(shù)學人氣:655 ℃時間:2020-04-13 12:53:41
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