擅长:python、mysql、java
<pre><code>print("Résolution de l'équation du second degré : ax² + bx + c = 0")
chaineA= input("Coefficient de a ?: ")
a= float(chaineA)
chaineB= input("Coefficient de b ?: ")
b= float(chaineB)
chaineC= input("Coefficient de c ?: ")
c= float(chaineC)
delta=((b**2)-(4*a*b))
solut1= (-b + (delta**0.5)/(2*a))
solut2= (-b - (delta**0.5)/(2*a))
solut3= (-b/2*a)
if delta >= 0.0: # here it should be > only
print("Deux solutions: ")
print("x1 =" , solut1)
print("x2 =" , solut2)
elif delta = 0.0: # first error here it should be elif delta == 0:
print("Une solution")
print("x =" , solut3)
else: #this could be made else. no need to put a condition.
print("Pas de solution")
</code></pre>