3.85*6.6+38.5*0.33+0.385

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3.85*6.6+38.5*0.33+0.385
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3.85*6.6+38.5*0.33+0.385
3.85*6.6+38.5*0.33+0.385

3.85*6.6+38.5*0.33+0.385
3.85*6.6+38.5*0.33+0.385
=3.85*6.6+3.85*3.3+3.85×0.1
=3.85*(6.6+3.3+0.1)
=3.85×10
=38.5
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3.85*6.6+38.5*0.33+0.385
=3.85*(6.6+3.3+0.1)
=3.85×10
=38.5