x分之5.4=5分之3.63.6x=5.4*53.6x=27x=27/3.6x=7.5
5.4/x=3.6/53.6x=5.4*53.6x=27x=15/2希望帮到你
5.4/x=3.6/53.6x=5.4*53.6x=27x=15/2
x分之5.4=5分之3.6x分之5.4=0.72x=5.4/0.72x=7.5
