正确例题
#include
【资料图】
#include
#include
void main()
{
int a,b,i,j;
for(i = 0;i < 10;i++)
{
a = rand()%100;
b = rand()%100;
{
printf("%d + %d = %d\n",a,b,a+b);
}
printf("%d - %d = %d\n",a,b,a-b);
}
printf("%d × %d = %d\n",a,b,a*b);
}
正确例题
#include
#include
#include
void main()
{
int a,b,i,j;
for(i = 0;i < 10;i++)
{
for(j = 0;j < 10;j++)
{
a = rand()%100;
b = rand()%100;
{
printf("%d + %d = %d\n",a,b,a+b);
}
printf("%d - %d = %d\n",a,b,a-b);
}
printf("%d × %d = %d\n",a,b,a*b);
}
}
正确例题
#include
#include
#include
void main()
{
int a,b,i,j,k;
for(i = 0;i < 10;i++)
{
for(j = 0;j < 10;j++)
{
a = rand()%100;
b = rand()%100;
{
printf("%d + %d = %d\n",a,b,a+b);
}
printf("%d - %d = %d\n",a,b,a-b);
}
printf("%d × %d = %d\n",a,b,a*b);
}
float a,b;
for(k = 0;k < 10;k++)
{
a = rand()%100;
b = rand()%100;
printf("%.0f÷%.0f=%f\n",a,b,a / b);
}
}
正确例题
#include
#include
#include
int main()
{
int i,j,a,b;
srand((unsigned)time(NULL));
for (i=0;i<50;i++)
{
a= rand()%99+1;
b= rand()%99+1;
a>b?printf("%2d-%2d = %2d\n",a,b,a-b):printf("%2d+%2d = %2d\n",a,b,a+b);
}
}
正确例题
#include
#include
#include
int main()
{
int i,j,a,b;
srand((unsigned)time(NULL));
for (i=0;i<50;i++)
{
a= rand()%99+1;
b= rand()%99+1;
if(a>b);printf("%2d-%2d = %2d\n",a,b,a-b);printf("%2d+%2d = %2d\n",a,b,a+b);
}
}
正确例题
#include
#include
#include
int main()
{
int i,j,a,b;
srand((unsigned)time(NULL));
for (i=0;i<50;i++)
{
a= rand()%99+1;
b= rand()%99+1;
if(a>b);printf("%2d-%2d = %2d\n",a,b,a-b);printf("%2d+%2d = %2d\n",a,b,a+b);
float a,b;
a = rand()%100;
b = rand()%100;
printf("%.0f÷%.0f=%f\n",a,b,a / b);
}
}
正确例题<全面混合运算>
#include
#include
#include
int main()
{
int i,j,a,b;
srand((unsigned)time(NULL));
for (i=0;i<50;i++)
{
a= rand()%99+1;
b= rand()%99+1;
if(a>b);
printf("%2d-%2d = %2d\n",a,b,a-b);
printf("%2d+%2d = %2d\n",a,b,a+b);
printf("%2d×%2d = %2d\n",a,b,a*b);
float a,b;
a = rand()%100;
b = rand()%100;
printf("%.0f÷%.0f=%f\n",a,b,a / b);
}
}
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