"2024 Entrance Exam Strategy Problem Collection: Osaka University Mathematics" Kawaijuku Price: ¥2000 #Kawaijuku #Books #Science/Mathematics * Please consider purchasing only if you understand that this is a used item. * I have erased any writing, but traces may be visible depending on the pressure applied. * I check for any remaining writing to erase, but I cannot guarantee that I haven't missed anything. Thank you for your understanding. * A set discount of ¥50 per book will be applied for combined purchases with other reference books I have listed."