我为什么2*a 加括号和不加括号 结果不一样呢？
import math
def quadratic_equation(a, b, c):
t=math.sqrt(b*b-4*a*c)
return (-b+t)/2*a , (-b-t)/2*a
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
3 回答
举报
0/150
提交
取消
import math
def quadratic_equation(a, b, c):
t=math.sqrt(b*b-4*a*c)
return (-b+t)/2*a , (-b-t)/2*a
print quadratic_equation(2, 3, 0)
print quadratic_equation(1, -6, 5)
2018-06-22
举报
