Current location - Training Enrollment Network - Mathematics courses - Happy Journal Mathematics
Happy Journal Mathematics
A* 1/2=B*6/ 1 1，B*7/ 1 1=C*2/3 .

A= 12B/ 1 1

C=2 1B/22

A+B+C+D= 1340

12B/ 1 1+b+ 2 1B/22 = 1340

B=440

A=480

C=420

Book version A for 480 people, version B for 440 people and version C for 420 people.

Related articles
  • What is sin 150 degrees?
  • What's the total score of Jiangsu Taizhou senior high school entrance examination? 20 15.
  • Comments by talented girls
  • How many equal parts does a protractor divide a semicircle into?
  • Zhu Zhankui's Jiangsu teacher
  • My unique composition
  • How to nickel-iron alloy on glass?
  • Teacher's Evaluation of Small Class Children's Home Contact Book
  • Eight-grade olympiad math test questions and answers
  • Does the project cost need mathematics?

    • copyright 2024 Training Enrollment Network All rights reserved