简便方法 125×25×32 =125x5x5x8x4=(125x4)x(5x8)x5=500x40x5=20000x5=100000
125×25×32 =125✘25✘4✘8 =(125✘8)✘(4✘25) =1000✘100 =100000
125✖️25✖(️4✖️8)=(125✖️8)✖️(25✖️4)=1000✖️100=100000
125X25X32=125X25X(4X8)=(125X8)X(25X4)=1000X100=100000