20 19 math college entrance examination question (the third small question) k square is a calculation formula, and those letters need to bring data into the formula for calculation.

1. The date of the college entrance examination is June 7th and 8th every year. If the names of examination subjects in all provinces and cities are the same as those in the national unified examination, they must be consistent with the national unified examination timetable. Starting from the 20 15 and 1 school year, the college entrance examination will gradually cancel six bonus items, such as sports special students and Olympic Games.

2. The examination outline is the normative document and standard of the college entrance examination proposition, and it is the basis for examination evaluation and review preparation. The examination syllabus defines the nature and function of the college entrance examination, and specifies the content and form of the examination, which is of great significance for implementing the reform of the college entrance examination content and standardizing the college entrance examination proposition. The Examination Outline is divided into general syllabus and college entrance examination syllabus, including Chinese, liberal arts mathematics, science mathematics, Chinese, physics, chemistry, biology, ideology and politics, history, geography and English.