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renatamur200518

Два звука отличаются по уровню громкости на ΔLℓ=1 фон. Найти отношение I1/I2 интенсивностей этих звуков

Ответ:
raxmatullin174
raxmatullin174
17.04.2019 01:30

Решение к задаче представлено в виде картинки и приложено к ответу

Два звука отличаются по уровню громкости на ΔLℓ=1

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