# Solving problems

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## Solve problems

There are a lot of great apps out there to help students with their school work for Solving problems. In this activity, math teachers discussed how to improve the efficiency of online math classroom teaching. At the cloud teaching research, teachers actively shared their valuable experience in online teaching, discussed the problems and difficulties encountered in online teaching, and put forward their own opinions, practices and suggestions on improving the efficiency of online mathematics teaching, so as to make suggestions for jointly improving the quality of online teaching. In the cloud teaching and research activities, teachers expressed that they had benefited a lot. In order to ensure the quality of online teaching of mathematics courses, teachers in the middle grade group worked out weekly online learning contents through collective teaching and research, clear division of labor, and cooperative discussion, arranged learning contents and materials for students every day, and distributed the contents to the learning group in time. We share resources and wisdom without reservation.

Like the finite element method, the method of moments also uses the weighted residual method, which discretizes the linear operator into a matrix equation. The difference is that the finite element method solves the differential form of Maxwell's equations, while the moment method solves the integral form of Maxwell's equations. When the algebraic equation cannot be solved by algebraic method, Newton iterative method can be used to solve it approximately. Newton's iterative method is to take two terms of linear expression of Taylor series expansion of algebraic equation, that is, to approximate through tangent line.

In order to improve the efficiency and quality of classes, the teachers of the mathematics group took active action, analyzed the advantages and disadvantages of various methods, and introduced the methods and experiences of online teaching. Teachers try their best to grasp both hardware and software, showing their magic powers: notebook computer, desktop computer, smart tablet, mobile phone, tablet, touch-screen pen, online class, online question answering, small video... Just to show students a smooth and rigorous online class and interact with students cordially..

The teacher left the homework. At first, I still finished it seriously. Later, I was only responsible for copying the homework onto the blackboard. I didn't do it myself. I guess the students didn't do much either.