= = ... I have to say, since you are a tutor, go and buy these textbooks, and you will be all set. Tell me more details, can you be more detailed than the textbook! ! ! The tutor is responsible for ~ ~ ~

Preparation: ratio of integer to divisible fraction and proportional cylindrical cone

Junior one: I don't know.

Grade two: function and geometry (triangle and quadrilateral), application problems.

Function is a linear function, which is divided into inverse proportional function (y=k/x) and positive proportional function (y=kx).

Grade three: quadratic function

Definitely incomplete. It is strongly recommended that the landlord buy textbooks, which are very cheap.