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  1. やんてね (yantene@fla.red)'s status on Sunday, 17-Feb-2019 19:11:54 JST やんてね やんてね

    やんてねは『9、7、4、5』をつかって10にしてください。
    https://shindanmaker.com/217387

    ```ruby
    [9, 7, 4, 5].then { |o| o.permutation(o.size) }.flat_map { |ord|
    %i[+ - * /].repeated_permutation(ord.size - 1).map { |orr|
    begin
    if eval(ord.map { |n| "#{n}r" }.zip(orr).flatten.compact.join(' ')) == 10r
    ord.zip(orr).flatten.compact.join(' ')
    end
    rescue ZeroDivisionError
    end
    }
    }.compact #=> []
    ```

    なんか間違えたかな

    In conversation Sunday, 17-Feb-2019 19:11:54 JST from fla.red permalink

    Attachments


    • きみとぼく (kimitoboku@fla.red)'s status on Sunday, 17-Feb-2019 20:23:16 JST きみとぼく きみとぼく
      in reply to

      @yantene 括弧が無いと出来ない?(4+7-9)*5的な

      In conversation Sunday, 17-Feb-2019 20:23:16 JST permalink
      やんてね repeated this.
    • やんてね (yantene@fla.red)'s status on Sunday, 17-Feb-2019 21:09:24 JST やんてね やんてね
      in reply to
      • きみとぼく

      @kimitoboku おっ確かに。

      In conversation Sunday, 17-Feb-2019 21:09:24 JST permalink
    • やんてね (yantene@fla.red)'s status on Sunday, 17-Feb-2019 21:57:24 JST やんてね やんてね
      • hysy

      @hysy いっぱい有るもんだねえ

      In conversation Sunday, 17-Feb-2019 21:57:24 JST permalink

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