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6.25*0.16+3.7*0.84+25.5*0.084用简便方法计算
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6.25*0.16+3.7*0.84+25.5*0.084用简便方法计算
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6.25*0.16+3.7*0.84+25.5*0.084
=6.25*0.16+3.7*0.84+2.55*0.84
=6.25*0.16+(3.7+2.55)*0.84
=6.25*0.16+6.25*0.84
=6.25*(0.16+0.84)
=6.25*1.00
=6.25
=6.25*0.16+3.7*0.84+2.55*0.84
=6.25*0.16+(3.7+2.55)*0.84
=6.25*0.16+6.25*0.84
=6.25*(0.16+0.84)
=6.25*1.00
=6.25
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