Training Enrollment Network
Early education courses
Mathematics courses
Education and training
Books and materials
Current location -
Training Enrollment Network
-
Mathematics courses
- Junior high school mathematics problems
Junior high school mathematics problems
The included angle formula between the hour hand (Y) and the minute hand (X) is the absolute value of (5.5x-30y), which is about 6: 1 1, and returns at 6:54, with 43.6 minutes left.
(30×6+ 120)-(30×6- 120)=240
240/5.5-43.6 points
Related articles
What is the difficulty of mathematical analysis?
How to make up junior high school mathematics
What are the methods of finding extreme value in advanced mathematics?
Postgraduate Project of Vehicle Engineering in Dalian Jiaotong University
Fourth grade, the first volume of mathematics supplementary exercises
Which is better, the super math class at Monster College or Olympiad 36?
Beijing normal university printing plate seventh grade first volume mathematics catalogue
Universal mathematical symbol
X problem in mathematics
20 13 let's practice elementary mathematics: thinking training questions.