vb 题
Private Sub Form_Click() Dim a As Integer, i As Integer x = 0 For i = 20 To 1 Step -2 x = x + i \ 5 Next i Print x End Sub 输出结果怎么是18 不是19呢?? 是取整的时候 要四舍五入? 请问具体的取整方法!
x=0 i=20 x=0+20/5=4 i=18 x= 4+18/5 = 4+3=7 i=16 x=7+16/5=7+3=10 i=14 x=10+14/5 = 10+2 = 12 i=12 x=12 + 2 =14 i=10 x =14+10/5=16 i=8 x = 16+8/5=16+1=17 i=6 x=17+6/5= 17+1=18 i=4 x = 18+4/5=18 i=2 x=18+2/5=18 取整 19/5 = 15/5+4/5 = 3 + 0.8 = 3+0 =3 小于一的按0算
答:For i = 1 To 6 List1.AddItem i Next i 总共为6个,为 1 2 3 4 5 6 对应item为0-5 For i = 1 T...详情>>