C语言对于级数的求和问题:计算下列级数和的近似值,x的值从键盘输入,求...答:include<stdio.h> include<math.h> double fact(int n);int main(void){ int i,b;double a,x,y;i=1;b=i;scanf("%lf",&x);y=0;a=1;while(fabs(a)>1e-6){ a=(pow(x,2*i-1)/fact(2*i-1));y=y+a;b=i;i++;} printf("%d,%f",b,y);return 0;} double fact(...