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只能说没想到要验证数据是否为数字,还要继续学习

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CliffVon

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

import math def quadratic(a,b,c): x1=(-b+math.sqrt(bb-4ac))/2a x2=(-b-math.sqrt(bb-4ac))/2a return x1,x2

print(quadratic(1,4,3))

李小散

#2 Created at ... [Delete] [Delete and Lock User]
pass
x1 = -b/(2*a)+(b**2-4*a*c)**.5/(2*a)
x2 = -b/(2*a)-(b**2-4*a*c)**.5/(2*a)
return x1,x2

## 必须要乘,所以写2a bb肯定不通过,“**”是幂运算符号,所以开方也可以写**.5

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