Ответ:
n=(Tн-Тх)/Тн
n=(71°C-7°C)/71°C
n=64°C/71°C=примерно 0.90
0.90×100%=90%
n=90%
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Ответ:
n=(Tн-Тх)/Тн
n=(71°C-7°C)/71°C
n=64°C/71°C=примерно 0.90
0.90×100%=90%
n=90%