小题1:设从甲仓库运送到A地的药品为箱,则从甲仓库运送到B地的药品为(80-)箱,从乙仓运送到A地的药品为(100-)箱。从乙仓库运送到B地的药品为[70-(100-)]箱。根据题意,得 y=14+10(80-)+20(100-)+8[70-(100-)] 整理=-8+2560·················································· 3分 由80-≥0,100-≥0,70-(100-)≥0,得30≤≤80 ∴的取值范围是30≤≤80(为整数)································5分 小题2: |