■Product Name■ High School Kore de Wakaru Problem Collection Mathematics I+A (Sigma Best) ■Publisher■ Bun'eido ■Author■ Chikanori Matsuda ■Published■ 2022/03/15 ■ISBN10■ 4578243931 ■ISBN13■ 9784578243939 Grasp the solutions and improve your scoring ability! First, build your basic entrance exam skills with this one book. 【Features 1】For complete understanding of "Basic to Standard" levels! Focusing on problems of "Basic to Standard" levels covered in textbooks. Carefully selected essential problems are included, and by solving them repeatedly, you can acquire solid basic skills. 【Features 2】Challenge entrance exam questions At the end of each chapter, "Challenge Entrance Exam Questions" is provided, allowing you to check whether you have developed the ability to handle entrance exams. 【Features 3】Improve learning effectiveness by using it with a reference book! Since it deals with problems similar to the examples in the reference book "High School Kore de Wakaru Mathematics I+A", you can understand how to solve difficult parts by checking the reference book. It can also be used when you don't know how to solve a problem or for review. 【Features 4】Includes a reduced-size version of the problems A reduced-size version of the problems is included in the separate volume "Correct Answer Collection". You can copy and use the parts you want to review, and re-challenge the problems you are not good at. Comes with a separate volume, no writing. There were a couple of places with writing, but they have been erased with an eraser. Image 7 In very clean condition, close to new. We will pack it to prevent water damage and ship it quickly and carefully. Regular exam preparation High school freshman Regular test