Published On May 7, 2020
This question is question 1 from the 2015 Germany math olympiad contest. I love the fun and creative system of equations!
I got the 3b1b plush here: https://store.dftba.com/products/tall...
Subscribe for more math for fun videos 👉 @blackpenredpen
đź’Ş Support this channel,   / blackpenredpen Â
🛍 Shop math t-shirt & hoodies: http://bit.ly/bprpmerch. (10% off with the code "WELCOME10")
🛍 I use these markers: https://amzn.to/3skwj1E
show more