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Наталья0Некрасова
@Наталья0Некрасова
September 2021
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решите пожалуйста квадратные уравнения, через дискриминант по формуле: х1,2=-b±корень из b²-4ас/2а 1. х²+4х-12=0 2. х²-4х-21=0 3. 2х²+7х-4=0 4. 3х²-х-2=0 5. 9х²+6х+1=0 6. -4х²+12х-9=0
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Report "2а 1. х²+4х-12=0 2. х²-4х-21=0 3. 2х²+7х-4=0 4. 3х²-х-2=0 5. 9х²+6х+1=0 6. -4х²+..."
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