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Googleスライドのプレゼン中に1〜9キーを押すと、その分数のカウントダウンタイマーを表示。クリックで分数入力(最大60分)、0キーで非表示。
Googleスライドのプレゼン中に1〜9キーを押すと、その分数のカウントダウンタイマーを表示。クリックで分数入力(最大60分)、0キーで非表示。
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