48*52*2-4*48=48*(52*2)-48*4=48*104-48*4=48*(104-4)=48*100=4800
48*52*2-4*48=48x2x(52-2)=96x50=4800
48*52*2-4*48=48*(104-4)=48*100=4800
48*52*2-4*48=48*104-4*48=48*(104-4)=48*100=4800