15.90.5-50.59简便

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15.9*0.5-5*0.59简便15.9*0.5-5*0.59简便15.9*0.5-5*0.59简便=15.9*0.5-0.5*5.9=0.5*(15.9-5.9)=0.5*10=5原式=1.59×

15.9*0.5-5*0.59简便
15.9*0.5-5*0.59简便

15.9*0.5-5*0.59简便
=15.9*0.5-0.5*5.9
=0.5*(15.9-5.9)
=0.5*10
=5

原式=1.59×5-0.59×5=5×（1.59-0.59）=5

15.9*0.5-5*0.59
=1.59*10*0.5-5*0.59
=1.59*5-5*0.59
=（1.59-0.59）*5
=1*5
=5

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