实际问题中,处处蕴含着不等关系,利用不等式组解决实际问题有着广泛的应用,下面试举几例说明:例1已知某服装厂现有A种布料70米,B种布料 In practical problems, there is an unequal relationship everywhere, and it is widely used to solve practical problems with the inequality group. Here are a few examples to illustrate: Example 1 It is known that a garment factory currently has a type A fabric of 70 meters, and a type B fabric.