此式简便计算步骤:64×37+64×62+64=64×(37+62+1)=64×100=6400
64*37+64*62+64=64*(37+62+1)=64*100=6400
64×37+64×62+64×1=64×(37+62+1)=64×100=6400
64x37+64x62+64=64x37+64x62+64x1=64x(37+62+1)=64x100=6400