能简算的要简算.32÷4/5-17.5+2.5

问题描述:

能简算的要简算.32÷4/5-17.5+2.5

32÷4/5-17.5+2.5
=40-15-2.5+2.5
=40-15
=25

32÷4/5-17.5+2.5
=32×5/4-15
=40-15
=25