def f(n):
if n == 5:
return ___①___
else:
return _____②____
print(___③___)
def f(m, n):
q=m%n
if q == 0:
return n
return f(n,q)
print(f(14,10))
F(1)=3
F(n)=F(n-1)*2
a(1)=1:a(2)=1
b(1)=1:b(2)=2
For i=3 To 5
a(i)=a(i-1)+a(i-2)
b(i)=b(i-1)+a(i)
Next i
执行该程序段后,数组元素b(5)的值为( )