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测试通过啊

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调皮的橙籽

#1 Created at ... [Delete] [Delete and Lock User]

# -*- coding: utf-8 -*-

import math

def quadratic(a, b, c):

    for x in(a,b,c):

        ifnot isinstance(x,(int,float)):

           raise TypeError('bad openrand type')

    x1 = (-b+ math.sqrt(b * b - 4 * a * c)) / 2 / a

    x2 = (-b- math.sqrt(b * b - 4 * a * c)) / 2 / a

    returnx1,x2

调皮的橙籽

#2 Created at ... [Delete] [Delete and Lock User]

没有考虑a是否等于0，呵呵

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