【(-5)的3次方×(-5分之1)的2次方-5的2次方】腔帆-丨0.25-8分之3丨
=【-5的3次方×5的-2次方-5的2次没兄方】-丨0.25-8分伍察雹之3丨
=【-5-25】-丨-0.125丨
=-30-0.125
=-30.125
解:【(-5)困裂的3次方×(-5分之备判1)的2次方-5的2次方】-丨0.25-8分之3丨仿尺改
=【-5的3次方×5的-2次方-5的2次方】-丨0.25-8分之3丨
=【-5^3×5^(-2)-5^2】-丨0.25-3/8丨
=【-5-25】-丨1/4-3/8丨
=-30-1/8
=-30-0.125
=-30.125