2.5*1.35+25.4*0.25求简便方法

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2.5*1.35+25.4*0.25求简便方法2.5*1.35+25.4*0.25求简便方法2.5*1.35+25.4*0.25求简便方法2.5*1.35+25.4*0.25=2.5(1.35+2.5

2.5*1.35+25.4*0.25求简便方法
2.5*1.35+25.4*0.25求简便方法

2.5*1.35+25.4*0.25求简便方法
2.5*1.35+25.4*0.25
=2.5(1.35+2.54)
=2.5*3.89
=9.725