Question

高一急数学题目!20分钟求解!追分!

Answer 1

1、设生产甲产品xt,乙产品yt则x≥0y≥02x+5y≤106x+3y≤182、X＞0,y＞0时,x+y≤1X＜0,y＞0时,-x+y≤1X＞0,y＜0时,x-y≤1X＜0,y＜0时,-x-y≤1,即x+y≥-1画出区域图（阴影）可求出s=2*（2*1*0.5）=2