设变量x,y满足①x-y≤10,②0≤x+y≤20,③0≤y≤15,求2x+3y的最大值,求图解啊

2025-05-19 09:51:16
推荐回答(1个)
回答(1):

发反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复反反复复