-1-﹛（-3）的3次方+【5的3次方-4×（-5）的2次方-（-1）的10次方】÷（-2的4次方-24+2的4次方）﹜
=-1-﹛-27+【125-4×25-1】÷（-16-24+16）﹜
=-1-﹛-27+【125-100-1】÷（-24﹜
=-1-﹛-27+24÷（-24）﹜
=-1-﹛-27-1﹜
=-2+28
=27