Dave Richeson @divbyzero Mathematician. John J. & Ann Curley Chair in Liberal Arts at Dickinson College. Author of Tales of Impossibility and Euler's Gem. Coffee drinker. Dave Richeson @divbyzero Nice puzzle posted by @icecolbeveridge on Mastodon (that he said came from Reddit): Toggle one pixel to make this correct. No spoilers for those who don't see it! pic.twitter.com/kcrYL42ZsK 2023-06-18 01:
![問題「一つのピクセルを切り替えて数式を成立させて下さい」](https://cdn-ak-scissors.b.st-hatena.com/image/square/42c22862eabd15c15f5876fa0d0eb1e5d66cc2bf/height=288;version=1;width=512/https%3A%2F%2Fs.togetter.com%2Fogp2%2Ff62e6b6f6506dbf388bd1f2f89a2f2f8-1200x630.png)