0.125×0.25×0.5×64=0.125×0.25×0.5×8×4×2=（0.125×8）×（0.25×4）×（0.5×2）=1×1×1=1
把64拆成8x4x2，然后进行交换律进行计算，就可以更简便计算了。 0.125×0.25x0.5×64=0.125×0.25x0.5×8x4x2=（0.125×8）×（0.25x4）x（0.5x2）=1×1×1=1
