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July 2022
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решите уравнения 2x²-7x+5=0
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edmir
Д=-
7²-4×2×5=49-40=9
х1=7+3/2×2 = 5/2=2.5
х2=7-3/2×2=1
ответ х1=2.5 х2 = 1
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Answers & Comments
х1=7+3/2×2 = 5/2=2.5
х2=7-3/2×2=1
ответ х1=2.5 х2 = 1