import math
def quadratic(a,b,c): B=math.sqrt((b*2)-(4ac)) if B>0: return (B-b)/(2a),-(B+b)/(2a) else: return -b/(2a) print('求一元二次方程ax2+bx+c的根，请输入abc') a = float(input('请输入a:')) b = float(input('请输入b:')) c = float(input('请输入c:'))
print('求值得到的结果是:',quadratic(a,b,c))
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Knight___Spirit
import math
def quadratic(a,b,c): B=math.sqrt((b*2)-(4ac)) if B>0: return (B-b)/(2a),-(B+b)/(2a) else: return -b/(2a) print('求一元二次方程ax2+bx+c的根，请输入abc') a = float(input('请输入a:')) b = float(input('请输入b:')) c = float(input('请输入c:'))
print('求值得到的结果是:',quadratic(a,b,c))