我们知道“不等式”是整个高中阶段非常重要的一章,它的作用甚至等同于函数,可以作为一种解题的工具,既然这样,它的复习当然比较难做到周全而有效,那么此复习课如何展开呢.不等式从符号来看就“>”和“<”两种,这暗示了可以由开口方向来选择不等式的几个公式,而对于不等式公式的记忆我们又要从简记忆. We know that “inequality ” is a very important chapter in the whole high school. Its function is even equivalent to a function and can be used as a tool for solving problems. In this case, the review of course is more difficult and comprehensive. This review class how to expand it.Inequalities from the symbolic point of view on the “” and “<”, which implies that the direction of the opening can be chosen by several inequalities, and memory of the inequality formula we To Jane from memory.