The Vietnamese word "bài toán" is a noun that translates to "problem" or "mathematical problem" in English. It is often used to refer to a question or challenge that requires some form of solution, typically in the context of math or logic.
While "bài toán" primarily refers to mathematical problems, it can also denote any complex issue or challenge that requires careful thought and problem-solving skills, such as: - "Bài toán xã hội" (social problem) - "Bài toán môi trường" (environmental problem)