1.
#include <stdio.h>
#include <stdlib.h>
int main()
{
float n[3], media = 0;
int i, j;
for (i = 0; i < 3; i++)
{
printf("NOTA[%d]: ", i+1); scanf("%f",&n[i]);
media += n[i];
}
system("clear");
media /= 3;
for (j = 0; j < 3; j++) printf("%.2f\t",n[j]);
printf("MEDIA: %.2f\n", media);
return 0;
}
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2.
#include <stdio.h>
#include <stdlib.h>
int main()
{
int matriz[3][3], i, j;
float media = 0;
for (i = 0; i < 3; i++)
{
for (j = 0; j < 3; j++)
{
printf("--> "); scanf("%d",&matriz[i][j]);
media += matriz[i][j];
}
}
media /= 9;
system("clear");
int q, p;
for (q = 0; q < 3; q++)
{
for (p = 0; p < 3; p++)
{
printf("%d\t", matriz[q][p]);
}
printf("\n");
}
printf("\nMEDIA: %.2f\n", media);
return 0;
}
