Thank you for viewing. Regarding shipping: For example, If you purchase between the night of the 1st (Monday) and the 7th (Sunday), your order will be shipped on the 13th (Saturday) or 14th (Sunday). If you purchase between the night of the 8th (Monday) and the 14th (Sunday), your order will be shipped on the 20th (Saturday) or 21st (Sunday). If you purchase multiple books, we may be able to offer a discount on shipping. Please comment if you are interested. (This may not be possible depending on the thickness of the books) If you purchase multiple books without commenting, we may ship them together. The answer key and explanations are digital and do not come with a physical booklet. You can view the answer key and explanations by scanning the 2D code at the bottom of the corresponding page in the main text. High-level practice text aimed at difficult university entrance exams From the first year of high school, students can prepare for university entrance exams by tackling high-quality applied problems and exploring more advanced topics. The problems are arranged to allow students to step up from learning basic knowledge to aiming for difficult universities such as GMARCH, and even the level of Waseda, Keio, and former Imperial Universities. Focus on efficiency for the basics, with an emphasis on practice To ensure time for applied problems, the pages are designed to allow for the efficient acquisition of new learning topics in the shortest amount of time. This text is designed for students who have a solid understanding of what they learned in junior high school and have excellent comprehension skills, allowing them to aim for higher levels. [Mathematics] Acquire the basics as quickly as possible and deal with advanced topics "Basic Information" is summarized concisely, and through "Examples," "Similar Problems," and "Practice Problems," the goal is to acquire the basics as quickly as possible. With "Applied Problems" that reflect the trends of entrance exams, students will improve their awareness of top schools and their ability to handle problems from an early stage. [Mathematics] University Entrance Exam Science Mathematics This text focuses on practice for difficult university entrance exams, covering up to Mathematics III. In "Entrance Exam Standard Practice," students will tackle problems they want to score well on. In "Entrance Exam Advanced Practice," students will tackle problems that require unique approaches specific to difficult universities.