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How do you calculate the percentage value with a formula? How do you convert the formula? What is the formula triangle? How do you go about it? What do you have to pay attention to? What do the letters and abbreviations mean? How do you solve a word problem? And how can I calculate it with a calculator? I'll show you! ------------ Hi, I hope you liked this video! In the best case, you even learned something or understood something better. I have many more videos on various topics. I'm currently working on mathematical topics. In the future, however, topics from the areas of physics, German and general knowledge will also follow. Do you fancy a bit of education every now and then? Then you should check out these links! Do you want to see more videos from Lehrerschmidt? Then visit my channel: / @lehrerschmidt Would you rather have an overview by topic? Then visit my homepage: http://www.lehrer-schmidt.de/ My direct subscription link: / @lehrerschmidt Your Lehrerschmidt