The two most difficult test papers in the history of the mathematics college entrance examination. Do you dare to challenge the difficulty level that makes you want to cry when you see the test papers?
Applicable to the first year of high school this year: the proportion of chemistry in the elective exam has been increased, giving you a comprehensive understanding of the chemistry subject
The steel sector has turned green. The share price of China's largest steel company has halved in two months, and its market value has evaporated by more than 120 billion.
The new college entrance examination has the same paper for liberal arts, science, and mathematics. What is the way out for candidates who are poor in mathematics?