我做出了这道很难的数学题的翻译：I made this very difficult math problems 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I made this road difficult math problems

I made this very difficult math problems

I have made this very difficult mathematics problems

I made this road is very difficult to mathematical questions

I made this very difficult math problems