Ⅰ.
Square roots and real numbers
A Square Root and Irrational Numbers
Calculation of expressions including B roots

Ⅱ.
Multiplication and factorization of polynomials
C multiplication formula
D factorization
Applications of E factorization

Ⅲ.
Quadratic equation
Solution to the quadratic equation F
Application of G quadratic equation

Ⅳ.
Quadratic function
H Quadratic Function and Graph (1)
I Quadratic Functions and Graphs (2)

Math problems are often wrong due to lack of concepts, miscalculations, or lack of familiarity with the problem type, but we always get the same problems wrong again.
With Zystory, you will experience the amazing change in your math skills day by day.

- Develop detailed and comprehensive concepts that are easy to understand
- Developing a rich structure with tightly connected concepts
- Intensive training on incorrect answers by repeatedly practicing the questions you often get wrong one-on-one
- A narrative-style story that unfolds smoothly in steps of [first], [then], and [so].
- The highest level of difficulty, perfect score training that involves complex concepts
- A story about a visit to SKY campuses by seniors who make studying math fun.