1.5/1.25=用简便方法解

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1.5/1.25=用简便方法解1.5/1.25=用简便方法解1.5/1.25=用简便方法解1.5/1.25=(3X0.5)/(2.5X0.5)=3/2.5=30/25=(5X6)/(5X5)=6/5

1.5/1.25=用简便方法解
1.5/1.25=用简便方法解

1.5/1.25=用简便方法解
1.5/1.25
=(3X0.5)/(2.5X0.5)
=3/2.5
=30/25
=(5X6)/(5X5)
=6/5