8/3*(13-4)=24
(8/3)*(13-4)=24
8/(3/(13-4))=24
8/(13/3-4)=24
8/((13/3)-4)=24
8*(13-4)/3=24
(8*(13-4))/3=24
8*((13-4)/3)=24
(13-4)/3*8=24
((13-4)/3)*8=24
(13-4)/(3/8)=24
(13-4)*8/3=24
(13-4)*(8/3)=24
((13-4)*8)/3=24
希望以上答案对楼主有所帮助,