Ответ:
Объяснение: кпд1=(T1-T2)/T1 T2=T1*(1-кпд)=T1*(1-0,3)=0,7*T1 кпд2=(1,2*T1-0,8*T2)/1,2*T1=(1,2*T1-0,8*0,7*T1)/1,2*T1=0,53=53%
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Ответ:
Объяснение: кпд1=(T1-T2)/T1 T2=T1*(1-кпд)=T1*(1-0,3)=0,7*T1 кпд2=(1,2*T1-0,8*T2)/1,2*T1=(1,2*T1-0,8*0,7*T1)/1,2*T1=0,53=53%