已知实数x,y满足2x－3y=4,并且x≥0,y≤1,则x－y的最大值是＿,最小值是＿

已知实数x,y满足2x－3y=4,并且x≥0,y≤1,则x－y的最大值是＿,最小值是＿
已知实数x,y满足2x－3y=4,并且x≥0,y≤1,则x－y的最大值是＿,最小值是＿

已知实数x,y满足2x－3y=4,并且x≥0,y≤1,则x－y的最大值是＿,最小值是＿
x=2+1.5y,带入：x-y=2+0.5y 由于y=4/3 即最大值为2.5,最小值为4/3