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ryashka279
@ryashka279
September 2021
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1. Найдите подбором корни уравнений:
а) х^2-8х+15=0
б) х^2-4х-21=0
2.Разность корней квадратного уравнения х^2+8x+c=0 равна 4. Найдите c.
3. Найдите произведение корней уравнения х^2+7х+1=0.
1) 1. 2) -1. 3) 7. 4) -7.
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