This is a math problem collection for humanities students, carefully selected with important problems. I haven't used it even once! There are absolutely no markings! ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ I am also selling many other reference books for university entrance exams! I will offer a discount for bulk purchases! (Discount of 100 yen per book) (Example) 2 books: 200 yen off 3 books: 300 yen off 4 books: 400 yen off... ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ ⋱⋰ - Title: Mathematics Important Problem Collection - Mathematics I・A・B (Humanities) - Publisher: Kenkyusha Publishing Thank you for viewing.