Data expansion:
Children have done too much useless work and don't understand the four or nine laws of the college entrance examination at all: that is, 40% of the frequently asked questions in the test sites account for 90% of the college entrance examination papers.
For example, in mathematics, 259 core test sites have 120 common questions, each with 2-3 variants and ***443 questions, but they account for about 140 points in the college entrance examination papers. It is most efficient to learn according to the question method summarized by 1 prestigious school. Each question type has its own corresponding method or answer template, whether it is optional or not. Not only mathematics, biochemistry and other disciplines, but also experience and skill templates.