(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1

问题描述:

(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1

(0.1+5\2+7又8\1除以1.25)除以(18.25-5又2\1乘3又5\1
=(0.1+0.4+7.125÷1.25)÷(18.25-5.5×3.2)
=(0.5+5.7)÷(18.25-17.6)
=6.2÷0.65
=9.54