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交作业

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Zayn_______

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import math

def quadratic(a, b, c): derta = b b - 4 a c if derta < 0: print('no key') return None, None else: return (-b + math.sqrt(derta)) / (2 a), (-b - math.sqrt(derta)) / (2 * a)

x1, x2 = quadratic(2, 3, 1) print(x1,x2)


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