Private Sub Command1_Click()
Dim x!
y!
z!
x = InputBox("inputx")
y = InputBox("inputy")
z = InputBox("inputz")
Print " x y z"
If x > y Then t = x:
x = y:
y = t
If x > z Then t = x:
x = z:
z = t
If y > z Then t = y:
y = z:
z = t
Print "排序后"; x; " "; y; " "; z
End Sub
6、求s=a+aa+aaa+...aaaaa(n个a),其中a和n的值随机产生,a的范围是[1,9]的整数,n的范围是[5,10]。
如a=3,n=6,则s=3+33+333+3333+33333+333333。
编程确定n和a的值,并计算s。
Private Sub Form_Click()
Dim s!
t!
i!
a%, n%
a = Int(Rnd * 9 + 1)
n = Int(Rnd * 6 + 5)
t = 0:
s = 0
Print "a="; a, "n="; n
For i = 1 To n
t = t * 10 + a
s = s + t
Print t;
Next i
Print
Print "s="; s
End Sub
7、计算100~300之间所有能被3和7整除的数之和。
Private Sub Form_Click()
For i = 100 To 300
If i Mod 21 = 0 Then
s = s + i
Print i;
End If
Next i
Print
Print "s="; s
End Sub
8、编程求200--400范围内5的倍数或7的倍数之和。
(一个数如果同时是7和5的倍数,则只能加一次。
)
Private Sub Command1_Click()
Dim s1%,s2%,s3%,i%
S1=0
S2=0
For i=200 to 400
If i mod 5 =0 or i mod 7=0 then
s1=s1+i
End if
Next i
For i=200 to 400
If i mod 5 =0 or i mod 7=0 then
s2=s2+i
End if
Next i
S3=s1-s2
Print s3
End sub
9、找出被3、5、7除,余数为1的最小的5个正整数。
Private Sub Command1_Click()
Dim CountN%, n%
CountN = 0
n = 1
Do
n = n + 1
If n Mod 3 = 1 And n Mod 5 = 1 And n Mod 7 = 1 Then
Print n
CountN = CountN + 1
End If
Loop Until CountN = 5
End Sub
10、某次歌曲大奖赛,有7个评委。
如果分别输入7个评委对某个参赛者的打分数,
按照去掉一个最高分和一个最低分的计算办法,求出该参赛者的平均得分。
Private Sub Command1_Click()
Dim mark!
max!
min!
aver!
i%
aver = 0
For i = 1 To 7
mark = InputBox("输入第" & i & "位评委的打分")
If i = 1 Then
max = mark:
min = mark
Else
If mark < min Then min = mark
If mark > max Then max = mark
End If
aver = aver + mark
Next i
aver = (aver - min - max) / 5
Print aver
End Sub
11、编程显示100~500之间所有的水仙花数之和。
(水仙花数是3位数,其各位数之和等于该数本身)
Private Sub Form_Click()
Dim i%, s%, s1%, s2%, s3%, a!
a = 0
For i = 0 To 400
s = 99 + i
s1 = (s Mod 100) \ 10
s2 = s Mod 10
s3 = s \ 100
If s1 ^ 3 + s2 ^ 3 + s3 ^ 3 = s Then
a = s + a
End If
Next i
Print a
End Sub
12、随机产生一个三位正整数,然后逆序输出,产生的数与逆序数同时显示。
例如,产生246,输出是642。
Dim a%, m%, b%, c%, d%
Private Sub Form_Click()
a = Int(Rnd * 900 + 100)
Print a
d = (a Mod 10) * 100
b = (a Mod 100) - (a Mod 10)
c = a \ 100
m = c + b + d
Print m
End Sub
13、从键盘输入三角形的三条边a,b,c的值,根据其数值,判断能否构成三角形。
Private Sub Form_Click()
Dim a%, b%, c%
a = Val(InputBox("input a"))
b = Val(InputBox("input b"))
c = Val(InputBox("input c"))
If a + b > c And a + c > b And b + c > a Then
MsgBox ("能构成三角形")
Else
MsgBox ("不能构成三角形")
End If
End Sub
14、已知数组a(),编程删除a中第5个元素。
数组a中的元素分别为{12,6,4,89,75,63,100,20,31}。
Private Sub Form_Click()
Dim a(), i%, n%
a = Array(12, 6, 4, 89, 75, 63, 100, 20, 31)
n = UBound(a)
For i = 0 To n
Print a(i);
Next i
Print
For i = 5 To n
a(i - 1) = a(i)
Next i
n = n - 1
ReDim Preserve a(n)
For i = 0 To n
Print a(i);
Next i
Print
End Sub
15、随机生成一个整型的二维数组,范围在[10,20]之间,以上三角形式输出该数组。
(下三角、全部元素)
Dim a%(4, 4)
Private Sub Command1_Click()
Picture1.Cls
For i = 0 To 4
For j = i To 4
Picture1.Print Tab(j * 6); a(i, j);
Next j
Picture1.Print
Next i
End Sub
Private Sub Form_Load()
For i = 0 To 4
For j = 0 To 4
a(i, j) = Int(Rnd * 11 + 10)
Next j
Next i
End Sub
16、利用随机函数生成一个4×4的矩阵(即二维矩阵),范围是[20,50]内的整数,输出每行中的最大值和下标。
Private Sub Form_Click()
Dim a%(3, 3), s0%, s1%, s2%, s3%, b0%, b1%, b2%, b3%
Max = 40
For i = 0 To 3
For j = 0 To 3
a(i, j) = Int(Rnd * 31 + 20)
Print Tab(j * 5); a(i, j);
If a(0, j) >= Max Then s0 = a(0, j):
b0 = j
If a(1, j) >= Max Then s1 = a(1, j):
b1 = j
If a(2, j) >= Max Then s2 = a(2, j):
b2 = j
If a(3, j) >= Max Then s3 = a(3, j):
b3 = j
Next j
Next i
Print
Print " 第一行"; s0; "("; 0; b0; ")"
Print " 第二行"; s1; "("; 1; b1; ")"
Print " 第三行"; s2; "("; 2; b2; ")"
Print " 第四行"; s3; "("; 3; b3; ")"
End Sub
17、利用随机函数生成一个4×4的矩阵(即二维矩阵),范围是[40,80]内的整数,求它的最大值及所对应的下标。
Private Sub Form_Cl