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mrphilll
@mrphilll
May 2021
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СКОРЕЕ, ПОЖАЛУЙСТА! Задача легкая, но мозги не варят! Заранее спасибо;)
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sokolovvovikn
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Кпд=c*m*(t-t0)*100%/I*U*t=4200*0,72*80*100%/4*120*900=56%
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Кпд=c*m*(t-t0)*100%/I*U*t=4200*0,72*80*100%/4*120*900=56%