8÷(3-8÷3)=24
8÷(3-8÷3) =8÷(3-8/3) =8÷1/3 =24 还有: 5 5 5 1: 5×(5-1/5)=24 4 4 7 7: 7×(4-4/7)=24 3 3 7 7: 7×(3+3/7)=24 3 3 8 8: 8 /(3-8/3)=24 1 3 4 6: 6 /(1-3/4)=24 1 4 5 6: 6 /(5/4-1)=24 4 /(1-5/6)=24