vb问题 做一个加法练习程序

Private Sub Command1_Click()

Dim A As Integer, B As Integer, C As Integer

If Text3Text = "" Then

MsgBox "请输入计算结果！"

Exit Sub

End If

A = Val(Text1Text): B = Val(Text2Text)

C = A + B

If Not C = Val(Text3Text) Then

Command2Enabled = False

Else

Command2Enabled = True

End If

End Sub

Private Sub Command2_Click()

Dim S1 As Integer, S2 As Integer

If Combo1Text = "" Then

MsgBox "请选择算法！"

Exit Sub

End If

If Combo1Text = "一位数加法" Then

Randomize

S1 = Int(Rnd 10 + 1)

Randomize

S2 = Int(Rnd 10 + 1)

ElseIf Combo1Text = "二位数加法" Then

Randomize

S1 = Int(Rnd 100 + 10)

Randomize

S2 = Int(Rnd 100 + 10)

ElseIf Combo1Text = "三位数加法" Then

Randomize

S1 = Int(Rnd 1000 + 100)

Randomize

S2 = Int(Rnd 1000 + 100)

End If

Text1Text = S1

Text2Text = S2

End Sub

Private Sub Form_Load()

Combo1Clear

Combo1AddItem "一位数加法"

Combo1AddItem "二位数加法"

Combo1AddItem "三位数加法"

Command1Caption = "计算"

Command2Caption = "出题"

End Sub

#include <stdioh>

void main()

{

int a,b,c;//定义三个整数

scanf("%d%d",&a,&b);//输入两个整数

c=a+b;//把a+b的值付给c

printf("这两个数的和是：\n%d+%d=%d",a,b,c);//输出结果

}

求两个数的最大公约数和最小公倍数：

#include "stdioh"

#include "conioh"

main()

{

int a,b,num1,num2,temp;

printf("please input two numbers:\n");

scanf("%d,%d",&num1,&num2);

if(num1<num2)/交换两个数，使大数放在num1上/

{

temp=num1;

num1=num2;

num2=temp;

}

a=num1;b=num2;

while(b!=0)/利用辗除法，直到b为0为止/

{

temp=a%b;

a=b;

b=temp;

}

printf("zuidagongyueshushi:%d\n",a);

printf("zuixiaogongbeishushi:%d\n",num1num2/a);

getch();

}

;已实现，下面是完成程序，其中加减比较简单，关键是将结果输出，注释在程序中穿插

code segment

assume cs:code

start:

mov bx,166

mov ax,55

mov cx,44

add bx,ax ;166+55存于BX中

add ax,cx ;55+44存于AX中

sub bx,ax ;结果存于BX中

call bini ;调用bini,将存于BX中的结果按十进制输出到屏幕

mov ah,4ch

int 21h

;-----------------------

;针对多位数，依次分解，然后输出，从最高位开始输出

;为了更好的理解此段程序，最好拿具体数据比如111代入，查看程序的执行流程

bini proc near

;mov cx,1000d

;call bin

mov cx,100d;若结果超过三位数，在此句前面添加类似代码即可，如结果是四位，则添加如上

call bin

mov cx,10d

call bin

mov cx,1d

call bin

ret

bini endp

bin proc near

mov ax,bx

mov dx,0

div cx

mov bx,dx

mov dl,al

add dl,30h

mov ah,02h

int 21h

ret

bin endp

;----------------------

code ends

end start

先输入行数和列数

#include <stdioh>

#include <stdlibh>

void main(void)

{

int i,j;

int row;

int col;

int matrixA;

int matrixB;

int matrixC;

printf("请输入矩阵的行数(row)和列数(col):");

scanf("%d%d",&row,&col);

//给三个矩阵动态分配内存

matrixA = (int)malloc(rowsizeof(int));

for (i=0; i<row; i++)

{

matrixA[i] = (int)malloc(colsizeof(int));

}

matrixB = (int)malloc(rowsizeof(int));

for (i=0; i<row; i++)

{

matrixB[i] = (int)malloc(colsizeof(int));

}

matrixC = (int)malloc(rowsizeof(int));

for (i=0; i<row; i++)

{

matrixC[i] = (int)malloc(colsizeof(int));

}

//A、B随机取值

for (i=0; i<row; i++)

{

for (j=0; j<col; j++)

{

matrixA[i][j] = rand()%100;

matrixB[i][j] = rand()%100;

}

}

printf("matrixA:\n");

for (i=0; i<row; i++)

{

for (j=0; j<col; j++)

{

printf("%4d", matrixA[i][j]);

}

printf("\n");

}

printf("matrixB:\n");

for (i=0; i<row; i++)

{

for (j=0; j<col; j++)

{

printf("%4d", matrixB[i][j]);

}

printf("\n");

}

//矩阵A、B相加

for (i=0; i<row; i++)

{

matrixC[i][j] = 0;

for (j=0; j<col; j++)

{

matrixC[i][j] = matrixA[i][j] + matrixB[i][j];

}

}

printf("matrixC:\n");

for (i=0; i<row; i++)

{

for (j=0; j<col; j++)

{

printf("%4d", matrixC[i][j]);

}

printf("\n");

}

//释放内存

free(matrixA);

free(matrixB);

free(matrixC);

return;

}

如果对你有所帮助，请记得采纳最佳答案，谢谢！

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