Current location - Training Enrollment Network - Mathematics courses - There are 1 1 chickens and rabbits in the same cage. Chicken legs are 20 less than rabbit legs.
There are 1 1 chickens and rabbits in the same cage. Chicken legs are 20 less than rabbit legs.
Solution: Suppose there are x rabbits, then there are 1 1-x chickens.

4x

-( 1 1-x)×2=20

4x-22+2x=20

6x=42

x=7

1 1-7=4 pieces.

A: There are seven rabbits and four chickens.

Related articles
  • Illustrators teach mathematics.

    The country is rich and strong, and the people are duty-bound. We should all open our eyes and guide the people to the light.

    It makes people angry! The ill

  • Examination questions and answers of Anhui high school mathematics competition in 2009
  • What tools do junior high school students use?
  • How about Xiantao Mall drugstore?
  • Does the first two volumes of mathematics teaching plan in the first day of junior high school ask for Shanghai education edition (note that it is Shanghai education edition)?
  • Children's mathematical thinking is average. Is there any method or book recommendation that can improve their imagination or sense of numbers?
  • Say what problems in math problems can be solved in three times and five times. Try to write them down.
  • Number of College Entrance Examinations in Qinghai in 2023
  • Mathematics teachers' experience in learning the history of mathematics.
  • How high are high heels to be comfortable and beautiful?

    • copyright 2024 Training Enrollment Network All rights reserved