Private Sub Command1_Click()
sum = 0
For i = 1 To 10
Randomize
a = Int(1000 * Rnd)
sum = sum + a
MsgBox "10个随机数和为:" & sum
Next
Do While i <= 10
Randomize
a = Int(1000 * Rnd)
sum = sum + a
MsgBox "10个随机数和为:" & sum
Loop
End Sub
sum = 0
For i = 1 To 10
Randomize
a = Int(1000 * Rnd)
sum = sum + a
MsgBox "10个随机数和为:" & sum
Next
Do While i <= 10
Randomize
a = Int(1000 * Rnd)
sum = sum + a
MsgBox "10个随机数和为:" & sum
Loop
End Sub