①[(8+36)/(4-2)]×5-1=109 =44÷2×5-1 =110-1= 109 ②[(8+36/4)-2]×(5-1) =(8+9-2)×4 =15×4= 60 ③(8+36)/4-2×5-1 =44/4-10-1 =11-11= 0