It is best to do your own homework so that students can improve their grades. If the mobile phone is an Android phone, please update the latest version of the homework help in each application market, and click "homework answer" at the top of the image search page to scan the code.
What I can do for you at present is, first, work overtime to find a classmate to copy (of course, this is not recommended; Second, do it yourself and improve yourself. Of course, the best way is to do it yourself, which is good for your grades.