12又4分之1减(3又5分之2加2.25减3.6)= 急

问题描述:

12又4分之1减(3又5分之2加2.25减3.6)= 急

12又4分之1减(3又5分之2加2.25减3.6) =(12+1/4)-(3+2/5+2.25-3.6) =12.25-(3+0.4+2.25-3.6) =12.25-2.05 =10.2 亲,您的采纳是我的动力,