(2) Employees of a factory go out to travel, each car has 22 people, leaving 1 person. If one car is removed, people will be divided equally, and there is nothing left. How many employees and cars are there?
③S = 1÷ 1/ 1980+ 1/ 1+ 1/ 1982+……+ 1/2000+ 1/20 1 1
What is the integer part of s?
④(2x+ 1)？ ﹢? =ax？ ﹢? +bχ？ ﹢cχ？ ﹢dχ？ ﹢eχ+f a+b=？
This is the Olympic exam I just took, and some questions are difficult for me to answer.
Answer:
I can't answer the first question.
The second question is two cars with 45 employees (probably wrong)
The third question is 4379 1.
Neither will the fourth question.
But I survived. I made a lot of mistakes.
Life is so hard.