25X16X25=(5x5)x(4x4)x(5x5)=5x5x4x4x5x5=(5x5x4)x(5x5x4)=100x100=10000
=(25×4)×(25×4)=100×100=10000
25×16×25=25×4×4×25=(25×4)×(4×25)=100×100=10000
=25*4*4*25=100*100=10000
25×16×25=25×4×4×25=100×100=10000