(2分之1-37.5%)除以75%除以12分之1=

问题描述:

(2分之1-37.5%)除以75%除以12分之1=

(1/2-37.5%)/75%/(1/12)
=12.5%/75%*12
=1/8*4/3*12
=1/8*16
=2

1/8*4/3*12=2

(1/2-37.5%)÷75%÷1/12
=(0.5-0.375)÷0.75x12
=0.125÷0.75x12
=2