下面代码中，把b*b换成b^2为什么就不对了？
import math
def quadratic_equation(a, b, c):
s = math.sqrt(b*b - 4 * a * c)
return (-b + s)/(2*a) , (-b - s)/(2*a)
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
weibo_墨白疯子_0222
2018-08-31
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