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Автор - glzanavganbaeva1

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Ответ

Автор - ToMaTuk

Ответ:

0.5

Объяснение:

d =  {b}^{2}  - 4ac = 16 - 16 = 0

x0 =  - b div 2a = 4 div 8 = 0.5

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