It is a digital copy of the official answer booklet. It typically covers:
Official answer keys are typically included as a tucked into the back of the physical Japanese version of the textbook. If you are using a digital version or purchased a used copy where the booklet is missing, you can find the answers through several digital repositories: Minna No Nihongo 1 Answers Pdf
Finding the answer key for (Beginner I) is essential for anyone self-studying Japanese, as the main textbook includes various exercise sections (Renshū A, B, and C) that require verification. Where to Find the Answers It is a digital copy of the official answer booklet