计算:3.6×42.3×3.75-12.5×0.423×28
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3.6×42.3×3.75-12.5×0.423×28
=3.6×42.3×1.25×3-1.25×10×42.3×0.28
=42.3×1.25×(3.6×3-10×0.28)
=42.3×1.25×(10.8-2.8)
=42.3×1.25×8
=42.3×(1.25×8)
=42.3×10
=423
=3.6×42.3×1.25×3-1.25×10×42.3×0.28
=42.3×1.25×(3.6×3-10×0.28)
=42.3×1.25×(10.8-2.8)
=42.3×1.25×8
=42.3×(1.25×8)
=42.3×10
=423
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3.6×42.3×3.75-12.5×0.423×28=3.6×42.3×3.75-1250×42.3×28
=42.3*(3.6*3.75-1250×28)=42.3*(13.5-35000)=-34986.5*42.3=-1479928.95
=42.3*(3.6*3.75-1250×28)=42.3*(13.5-35000)=-34986.5*42.3=-1479928.95
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