defquadratic(a,b,c):
import math
x=b**2-4*a*c
if x<0:
return("此方程无解")
elif x==0:
anw=(-b)/(2*a)
return anw
else:
x1=(-b+math.sqrt(x))/(2*a)
x2=(-b-math.sqrt(x))/(2*a)
return x1,x2
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defquadratic(a,b,c):
import math
x=b**2-4*a*c
if x<0:
return("此方程无解")
elif x==0:
anw=(-b)/(2*a)
return anw
else:
x1=(-b+math.sqrt(x))/(2*a)
x2=(-b-math.sqrt(x))/(2*a)
return x1,x2