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(41.48*0.132+12.5*0.18+41.48*0.13+31.33*1)/(41.48+41.48+12.5+31.33)
(41.48*0.132+12.5*0.18+41.48*0.13+31.33*1)/(41.48+41.48+12.5+31.33)
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