This shows that you have no ideas when solving problems, and always follow other people's ideas, which means that you think less about problems yourself.

If you really don't know how to solve the problem, then you will understand after reading the answer. This time is not over yet! In fact, your impression is still not deep enough, or your understanding is not deep enough. At this time, you need to understand independently! You can think about it and do a similar problem yourself! Don't change a few values casually, it's meaningless. The quality of the specific topic depends on your own understanding of the problem!

You can consider giving it a try to other students! Test your writing ability!