前面我们学到过等式(包括方程),知道它可以表示实际问题中的相等关系,现在我们又学到不等式,知道它可以表示实际问题中的不等关系,那么我们究竟该怎样认识不等关系和不等式呢?1.不等关系.从一堆苹果中随意取出两个分别称重,有三种可能情形:第一个苹果比第二个苹果重,两个苹果一样重,第一个苹果比第二个 We have previously learned equations (including equations), knowing that it can represent an equal relationship in real problems, and now that we have learned inequalities, knowing that it can represent unequal relationships in real problems, then how do we know each other? Relationship and inequality 1. Unequal relationship.From a pile of apples randomly removed two were weighed separately, there are three possible situations: the first apple is heavier than the second apple, two apples weight, the first apple Than the second one