[2又1/2-(3/8+1/6-3/4)×24]÷5×(-1)2003次方请求过程

[2又1/2-(3/8+1/6-3/4)×24]÷5×(-1)2003次方请求过程
[2又1/2-(3/8+1/6-3/4)×24]÷5×(-1)2003次方请求过程

[2又1/2-(3/8+1/6-3/4)×24]÷5×(-1)2003次方请求过程

=[1/2+(-9-4+18)/5]*(-1)
=(1/2+1)*(-1)
=-3/2

原式=[5/2-(3/8*24+1/6*24-3/4*24)]÷5×(-1)
=[5/2-（9+4-18）]÷5×(-1)
=（5/2+5）÷5×(-1)
=（15/2）÷5×(-1)
=-3/2