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#include
return sqrt(p*(p-a)*(p-b)*(p-c));
}
void main() { int a,b,c;
printf(¡°ÇëÊäÈëÈý½ÇÐÎÈýÌõ±ß:\\n¡±); scanf(¡°%d%d%d¡±,&a,&b,&d); if(a+b>c && b+c>a && a+c>b) printf(¡°Èý½ÇÐÎÃæ»ýΪ:%.2f¡±,fun(a,b,c)); else
printf(¡°ÎÞ·¨¹¹³ÉÈý½ÇÐΡ±); }
25¡¢±àд³ÌÐò£¬ÇóE=1+1/1£¡+1/2£¡+¡¡+1/n!£¬ÒªÇó×îºóÒ»ÏîµÄֵСÓÚ10-4 #include
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{
double m=1.0; int i=1; double p=1.0; do{
m=m+1.0/p;
i++; p=p*i;
} while(1.0/p>=1E-4); return m; }
void main() {
int n; double s;
printf(\ \ scanf(\ s=fun(n); printf(\ }
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34.0¡¢45.0¡¢18.0¡¢3.0¡¢11.0£¬Êä³öӦΪ£ºs=35.951014¡£ #include
int i ;
double avg=0.0,sum=0.0; for (i=0;i<8;i++) {
avg=(x[i]+x[i+1])/2; sum+=sqrt(avg); }
return sum; }
void main() {
double s,a[9]={12.0,34.0,4.0,23.0,34.0,45.0,18.0,3.0,11.0}; int i;
printf(\
for(i=0;i<9;i++)printf(\ printf(\ s=fun(a);
printf(\ }
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ÀýÈ磬ÈôÊäÈëmµÄֵΪ50£¬ÔòÔÚÊý×éaÖеÄֵΪ£º 7 11 14 21 22 28 33 35 42 44 49
#include
void fun ( int m, int *a , int *n ) {
int i,count=0; for(i=1;i<=m;i++){
if(i%7==0 || i==0) { a[count++]=i; } } *n=count; }
void main( ) {
int aa[M], n, k; fun ( 50, aa, &n );
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