Difficult. According to official website, the Education Bureau of Henan Province, the structure of the 20 13 Henan Mathematics College Entrance Examination questions is clear, and multiple-choice questions, fill-in-the-blank questions and solution questions are all set, which makes the finale difficult. So 13 Henan college entrance examination is difficult in mathematics. College entrance examination is a selective examination for qualified high school graduates or candidates with equivalent education.