m=b*b-4*a*c
if m<0:
return '无实根'
x1=(-b+math.sqrt(m))/(2*a)
x2=(-b-math.sqrt(m))/(2*a)
if m==0:
return x1
else:
return x1,x2
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Cccc-彩
m=b*b-4*a*c
if m<0:
return '无实根'
x1=(-b+math.sqrt(m))/(2*a)
x2=(-b-math.sqrt(m))/(2*a)
if m==0:
return x1
else:
return x1,x2