ここでちょっと工作。背景の赤と緑を加法混色して黄にしてしまう。そうすると、背景の白は青・黄・黒となる。 Here the red and green of the background are replaced with yellow and black.pic.twitter.com/yuaIomPHQR
12:23 AM - 3 Jan 2017
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