import math
def quadratic(a,b,c):
if a==0:
return ('a cannot be 0')
elif (b2-4ac)<0:
return ('无解')
else:
x1=(-b+math.sqrt(b2-4ac))/(2a)
x2=(-b-math.sqrt(b**2-4ac))/(2a)
return x1,x2
print ('求ax*x+bx+c的两个根')
j=float(input('please enter a '))
m=float(input('please enter b '))
x=float(input('please enter c '))
print (quadratic(j,m,x))
逍遥的老蒋
import math def quadratic(a,b,c): if a==0: return ('a cannot be 0') elif (b2-4ac)<0: return ('无解') else: x1=(-b+math.sqrt(b2-4ac))/(2a) x2=(-b-math.sqrt(b**2-4ac))/(2a) return x1,x2
print ('求ax*x+bx+c的两个根') j=float(input('please enter a ')) m=float(input('please enter b ')) x=float(input('please enter c ')) print (quadratic(j,m,x))