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Mathematical formula of line measurement
After several years, age = age difference ÷ multiple difference-young age.

A few years ago, age = young age-age difference/multiple difference. Core formula: y = (n-x) t, original grass quantity = (the number of cattle-grass growth per day) × days, where: the average grass growth per day is X.

If there is a quantity that becomes the original a times after each cycle, then after n cycles, it is the original a? Times, a cycle ago, it should be1/a. Workload = working efficiency × working time. Work efficiency = workload ÷ working hours. Working hours = workload ÷ work efficiency. Total workload = sum of each workload. Distance = speed × time. Average speed = total distance/total time. Downstream speed = ship speed+current speed. Current speed = ship speed-current speed.

Line test:

The administrative professional ability test is a standardized test specially used to test the possibility of candidates' success in the administrative profession, and it is a psychological potential test. It is different from the general intelligence test, and it is also different from the test of basic knowledge or specific professional knowledge and skills. This kind of examination tests a person's ability accumulated through years of life, study and practice, and its nature is to examine the basic potential ability.

The Administrative Professional Ability Test includes five parts: speech comprehension and expression, quantitative relationship, judgment and reasoning, common sense judgment and data analysis. According to the requirements of the annual examination syllabus, there will be some changes in the types and quantities of these five parts, but the contents of these five parts will not change.