6.#include main() {float fun(float x[]); float ave,a[3]={4.5,2,4}; ave=fun(a); printf(“ave=%5.2f”,ave);}float fun(float x[]) {int j;float aver=1; for (j=0;j<3;j++)aver=x[j]*aver; return(aver);}运行结果为:______
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6.#include main(){ int i, a[10];for(i=9;i>=0;i--) a[i]=10-i;printf(“%d%d%d”,a[2],a[5],a[8]);}运行结果为:______
4 .#include "stdio.h" main() {char c; c=getchar(); while(c!='?'){putchar(c);c=getchar(); } } 如果从键盘输入abcde?fgh(回车) 运行结果为:______
3. #include main( ){ int sum=10,n=1;while(n<3) {sum=sum-n; n++; }printf(“%d,%d”,n,sum); } 运行结果为:______
2. #include < stdio .h >main ( ){ float c=3.0 , d=4.0;if ( c>d ) c=5.0;elseif ( c==d ) c=6.0;else c=7.0; printf ( “%.1f\n”,c ) ;} 运行结果为:______