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41.2*5.5+53.7*4.5+5*1.25=474.5
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41.2*5.5+53.7*4.5+5*1.25=(41.2*5.5+53.7*4.5+5*1.25)*100/100
=(412*55+537*45+5*125)/100=474.5
=(412*55+537*45+5*125)/100=474.5
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41.2*5.5+53.7*4.5+5*1.25
=41.2*5.5+(41.2+12.5)*4.5+5*1.25
=41.2*(5.5+4.5)+1.25*(45+5)
=412+62.5
=474.5
=41.2*5.5+(41.2+12.5)*4.5+5*1.25
=41.2*(5.5+4.5)+1.25*(45+5)
=412+62.5
=474.5
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41.2×5.5+53.7×4.5+5×1.25
=(41.2+53.7+1.25)×5-(53.7-41.2)×0.5=474.5
=(41.2+53.7+1.25)×5-(53.7-41.2)×0.5=474.5
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41.2*5.5+53.7*4.5+5*1.25
=41.2*5.5+(41.2+12.5)*4.5+5*1.25
=41.2*5.5+41.2*4.5+12.5*4.5+5*1.25
=41.2*(5.5+4.5)+1.25*(45+5)
=41.2*10+1.25*50
=412+62.5
=474.5
=41.2*5.5+(41.2+12.5)*4.5+5*1.25
=41.2*5.5+41.2*4.5+12.5*4.5+5*1.25
=41.2*(5.5+4.5)+1.25*(45+5)
=41.2*10+1.25*50
=412+62.5
=474.5
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