Hi, Javi! The computers make it easy for us. This phrase says that the computers lighten something (maybe life or work) for us. Without context, we don't know what this IT means. He could make things very difficult for us. This phrase says that he could complicate things for us. Exercise can make a big difference to your state of health. This phrase says that Exercise can affect a very different way to the state of health. to make it (or something) easy = to lighten, to facilitate to make it (or something) = to complicate to make a difference = to differ, to lead to different results Hope, it will help you.

The term "make" has lots of meanings depending on how it is used in sentences. In the first sentence, "computers make" means "computers enable" ----> They make it easy for humans to do difficult things. ------------ In the second example, "make things" means "create a situation" -----> "create a difficult situation for us" ----- In the third example, "make a big difference" means "result in a large change" ------> "result in a large change in your health. "