PLease help me. Maybe Its easy for you

Is there someone who can solve this problem?

You need to begin to carry out your homework by himself.

Looks like your question should be placed in the section "Homework Help" and most people here sure would expect that you show some work you have already  done before!

During the past two weeks you posted about 9 questions here in this forum and just 2 of them you had marked as answered. You did not even bother to visit some of those threads again after placing your question. Thats a very strange and unpolite behavior!

Good day Damdinsvren,

As you can see, we have a knowledgeable and passionate membership willing to help you learn the tools to improve your skills 🙂

Do you have work to show or follow-up comments for the group; both can help others help you.

Here is a document that may be of help Marking Answers Correct

Best,

Toby