用简便方法计算1.6*0.25/1.6*0.25

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用简便方法计算1.6*0.25/1.6*0.25
用简便方法计算1.6*0.25/1.6*0.25

用简便方法计算1.6*0.25/1.6*0.25
0.25/1.6化为(1/4)/(8/5)=5/32
(8/5)*(5/32)*(1/4)=1/16