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一道VB题,执行下面程序,单机COMMAND1,窗体上显示的结果中I的值是(),J的值是(),K的值是().OPTION

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一道VB题,
执行下面程序,单机COMMAND1,窗体上显示的结果中I的值是(),J的值是(),K的值是().
OPTION EXPLICIT
Private Sub command1_click
dim I as integer ,J as integer
dim K as integer
I=1:J=2
K=fun(I,fun(I,J))+I+J
print "I=";I;"J=";J;"K=";K
End sub
private function fun(A as integer ,bybal B as integer) as integer
A=A+B
B=A+B
fun=A+B
End function
一道VB题,执行下面程序,单机COMMAND1,窗体上显示的结果中I的值是(),J的值是(),K的值是().OPTION
K=fun(i,fun(i,j))+i+j
=fun(1,fun(1,2))+1+2
=fun(1,1+2+1+2+2)+1+2
=fun(1,8)+1+2
=1+8+1+8+8+1+2
=29
I= 1 J= 2 K= 29
private function fun(A as integer ,bybal B as integer) as integer
bybal应改为byval