如手辩镇毕粗图灶没
=12.5×0.8×0.4×0.25=（12.5×0.8）×（0.4×0.25）=10×0.1=1
0.32拆成0.4*0.8（12.5*0.8）*（0.4*0.25）=10*0.1=1
图尘唤野派喊链陆
12.5×0.32×0.25=12.5×0.8*0.4×0.25=10*0.1=1
