Ответ:
Пошаговое объяснение:
20,8-(7¹⁹/₂₀-8³/₅)=20,8-(7,95-8,6)=20,8-(-0,65)=20,8+0,65=21,45.
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Ответ:
Пошаговое объяснение:
20,8-(7¹⁹/₂₀-8³/₅)=20,8-(7,95-8,6)=20,8-(-0,65)=20,8+0,65=21,45.