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  • 地球に優しい実験ですね

    hrevolution1 2 weeks ago

  • @hrevolution1 さん

    ありがとうございます＾＾

    cosmopolitan238 2 weeks ago

  • あははｗ　すげぇえｗｗ　二酸化マンガンってどこで入手しました？

    sakaue1000 3 months ago

  • @sakaue1000

    乾電池を分解した際でてきました

    その動画もうｐしてますのでどうぞｗ

    cosmopolitan238 3 months ago

  • 最後あほｗｗｗｗ

    salamand7577 3 months ago

  • @salamand7577

    あなたも今度ご一緒する？ｗ

    cosmopolitan238 3 months ago

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