1.在理解不等式的性质时要注意些什么问题? 答:理解性质1时,要注意:(1)类似于等式的性质,“不等式的两边都加上(或减去)同一个数或同一个整式”.(2)“不等号的方向不变”是指新的不等式与原不等式是同向不等式,即原不等式如果是“>”号(或“<”号),那么它的两边都加上(或减去)一个数后,所得的不等式 1. What are some issues to be aware of when understanding the nature of inequalities? Answer: When you understand Nature 1, you should pay attention to: (1) Similar to the nature of the equation, “Add (or subtract) the same number to both sides of the inequality or The same integer ”.(2) “The direction of inequality does not change” means that the new inequality is the same inequality as the original inequality, that is, if the original inequality is a “>” (or “<”), then both sides are After adding (or subtracting) a number, the resulting inequality