12.5*4.6+0.125*530+1.25如何解

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12.5*4.6+0.125*530+1.25如何解12.5*4.6+0.125*530+1.25如何解12.5*4.6+0.125*530+1.25如何解12.5*4.6+0.125*530+1.2

12.5*4.6+0.125*530+1.25如何解
12.5*4.6+0.125*530+1.25如何解

12.5*4.6+0.125*530+1.25如何解
12.5*4.6+0.125*530+1.25
=1.25*46+1.25*53+1.25
=1.25*(46+53+1)
=1.25*100
=125

12.5×4.6+0.125×530+1.25
=1.25×46+1.25×53+1.25
=1.25×(46+53+1)
=1.25×100
=125

12.5*4.6+0.125*530+1.25
=1.25*46+1.25*53+1.25
=1.25*(46+53+1)
=1.25*100
=125