教育王國

標題: 抽波仔的組合 [打印本頁]

作者: slaw0626 時間: 10-1-28 08:34 標題: 抽波仔的組合

請問有沒有網站可輸入數未字, all the combinations will come out.
E.g. There are seven balls, we want to take one, two, three.....to seven, all the outcomes will be shown at once.

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