选择正确的mathexp表达

Question

1.
import math
math.exp(1)
2.
import math
exp(1)
3.
import math as m
m.exp(1)
4.
import math as m
math.exp(1)
5.
from math import *
math.exp(1)
6.
from math import *
exp(1)
7.
from math import exp
exp(1)

Answer 1

1，3，6，7