Seventh grade mathematics Huanggang won the championship on page 70 of the first volume. According to the public information, the first volume of seventh grade mathematics has 70 pages, including the answers. There are too many topics in Huanggang silver edition, which is not recommended. The title of the gold edition is moderate and the difficulty is not bad. Suitable for students with average grades and above average grades. Huanggang dense paper is more difficult for top students, but the senior high school entrance examination is mainly medium, so it is recommended to take the gold edition lightly.