简算:1.8×(4-3.8)×5÷0.01 14.4÷【(3.94+0.86)×0.5】

问题描述:

简算:1.8×(4-3.8)×5÷0.01 14.4÷【(3.94+0.86)×0.5】

1.8×(0.2×5)×100=180
14.4÷(4.8÷2)=14.4÷2.4=6

第一题=1.8×0.2×5÷0.01=1.8÷0.01=180
第二题=14.4÷4.8×0.5=14.4÷2.4=2.4

1.8×(4-3.8)×5÷0.01
=1.8×0.2×5÷0.01
=1.8÷0.01x(0.2×5)
=180
14.4÷[(3.94+0.86)×0.5]
=14.4÷(4.8×0.5)
=14.4÷2.4
=6

1.8×﹙4-3.8﹚×5÷0.01
=1.8×﹙0.2×5﹚×100
=1.8×1×100
=180.
14.4÷[﹙3.94+0.86﹚×0.5]
=14.4÷[4.8×0.5]
=14.4÷2.4
=14.4÷0.6÷4
=24÷4
=6.