It is recommended to buy a dragon-gate question. First of all, we should talk about simple logic books and look at functions. Then it will be said that the conic curve will be related to the straight line and circle of compulsory 2, and finally the derivation depends on the function (compulsory 1).

Do these well, so that you can understand the lesson in the second half of the semester, because it is difficult to choose conic as an elective content.

The liberal arts sophomore will enter the general review of the college entrance examination next semester. At this time, reviewing according to the college entrance examination questions will be much easier than freshman. At this time, it is no problem to follow closely.