上了高中以后,许多学生都觉得数学比初中难学多了。一些在初中数学成绩较好的学生,甚至在中考中数学取得优秀成绩的学生,经过高中一段时间的学习后,数学成绩却呈下降趋势。许多学生面对这样的现状都很困惑,许多家长也对此反应强烈。甚至有家长说“我们孩子初中全国数学竞赛拿三等奖,现在怎么 After attending high school, many students find mathematics more difficult to learn than junior high school. Some students who have good math performance in junior high school or even math students who have achieved excellent grades in senior high school have shown a downward trend in math scores after a period of high school study. Many students are confused in the face of such a situation, and many parents also reacted strongly. Some parents even said that ”our junior high school junior high school mathematics contest take the third prize, now how