Private Sub Cmd_Click()
Dim i As Integer, j As Integer, k As Integer
Dim x1 As Single, y1 As Single, x2 As Single, y2 As Single
Dim d As Single, Totald As Single, v As Single, s As String
s =①
x1 = 0: y1 = 0 ‘出发点为坐标原点
k = 1 : j = 1 : Totald = 0
For i = 1 To Len(s)
If Mid(s,i,1) ="," Then
v = Val(Mid(s,j,i - j)) ‘提取坐标值,保存在变量v中
j = i + 1
If ② Then
x2 = v
Else
y2 = v
d = Sqr((x2 — x1)^2 + (y2 — y1)^ 2)
Totald = Totald + d
x1 = x2 : y1 = y2
End If
k = k + 1
End If
Next i
Label1. Caption = Str(Totald)
End Sub
Private Sub Command1_Click()
Dims As Integer,n As Integer
Dim a As Integer,b As Integer,c As Integer
n=0
s=102
List1.Clear
Do Whiles<=999
a= ①
b=s\10 Mod 10
c=s Mod 10
If ② Then
List1.Addltem Str(s)
③
End If
s=s+3
Loop
Label1.Caption="共有"+Str(n)+"个"
End Sub
画线处应填入的代码为:①;②;③。
图1
图2
Private Sub Command1_Click()
Dim n As Integer, i As Integer, a As Integer, b As Integer
Randomize
n = Val(Text1.Text)
i =
Do While i <= n
a = Int(Rnd * 100)
b = Int(Rnd * 100)
If Then
List1.AddItem "(" + Str(i) + ")" + Str(a) + "+" + Str(b) + "="
i = i + 1
End If
Loop
End Sub
from math import * #从math模块调用常用的数学函数 n = int(input("请输人多边形的边数:")) i=6 x=1 s=6*sqrt(3)/4 #sqrt( ) :math中的函数,用于求算术平方根 while i <=n/2: #当i> n/2时,结束循环,执行print( ) h = sqrt(1-(x/2)**2) s= s+i*x*( 1-h)/2 x = sqrt(((x/2)**2+(1-h)**2) i=2*i print( "当正多边形的边数为", n, "时, π的近似值为:", s) |
Private Sub Command1_ Click()
Dim d As Integer, k As Integer, r As Integer
Dim s As String, c As String
d= Val(Text1. Text)
k= Val(Text2. Text)
s=" "
Do While d>0
r=d Mod k
If r>=10 Then
c= Mid(“ABCDEF”,,1)
Else
c=str(r)
End If
s=
d=d\ k
Loop
Label1. Caption=“结果为:”+s
End Sub
Private Sub Command1_Click( )
Dim n As Integer,i As Integer,a As Integer,b As Integer
Randomize
n=Val(Text1.Text)
i=
Do While i<=n
a=Int(Rnd*100)
b=Int(Rnd*100)
IfThen
List1.AddItem“(“+Str(i)+”)“+Str(a)+”+“+Str(b)+”=”
i=i+1
End If
Loop
End Sub