The image shows a page from a textbook or educational material, likely a math or science book. The page features a colorful illustration of a person wearing a blue shirt and a hat, standing next to a stack of books. The text on the page is in Vietnamese, and there are several mathematical symbols and equations scattered across the page. The page also includes a section with a question and answer, along with some diagrams and illustrations. The overall setting appears to be a classroom or study environment.