ข้อที่ 4

หาค่าเฉลี่ย

#include<stdio.h>

main()

{

int s,o,n,g,a,average;

printf(" Please Enter s ");

scanf("%d",&s);

printf(" Please Enter o ");

scanf("%d",&o);

printf(" Please Enter n ");

scanf("%d",&n);

printf(" Please Enter g ");

scanf("%d",&g);

printf(" Please Enter a ");

scanf("%d",&a);

average =(s+o+n+g+a)/5;

printf("result is %d",average);

}

การคำนวน

#include<stdio.h>
main()
{
int p;
float result ;
printf(" Please Enter p ");
scanf("%d",&p);


result=5*p*p+2*p+6;
printf("result is %.3f",result);

}

วงกลม

เส้นรอบวงของวงกลม

#include<stdio.h>

main()
{
int r;
float Circumference;
printf(" Please Enter radius ");
scanf("%d",&r);


Circumference=2*3.14*r;
printf("area is %.2f",Circumference);

}

พื้นที่รูปสามเหลียม

พื้นที่รูปสามเหลี่ยม

#include<stdio.h>
main()
{
int p,h;
float Triangle;
printf(" Please Enter p ");
scanf("%d",&p);
printf(" Please Enter h ");
scanf("%d",&h);

Triangle=0.5*p*h;
printf("area is %.3f",Triangle);

}

คีบอร์ด 4

คีบอร์ด4

#include<stdio.h>

main()

{

int a,b;

printf("Weigh:");

scanf("%d",&a);

printf("High:");

scanf("%d",&b);

printf("Weight & High is %d,%d",a,b);

}