Question

零点一八乘零点二五除以零点一五怎样用简便计算

Answer 1

0.18×0.25÷0.15
=0.18×0.25÷(0.3×0.5)
=(0.18÷0.3)×(0.25÷0.5)
=0.6×0.5
=0.3