User talk:2405:205:130D:A6B9:F558:71E7:E451:9EF3

Vandalism notification
Hello, I'm Juliette Han. I wanted to let you know that one or more of your recent contributions to Differential equation have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Teahouse. Thanks. Juliette Han (talk) 17:53, 4 May 2020 (UTC)