#include<stdio.h>
int?main()
{
????int?n,i;
????double?s,x,e;
????printf("輸入n和x的值：");
????scanf("%d%f",&n,&x);
????for(i=1,e=1,s=1;i<=n;i++)
????{
???????s*=i;
???????e+=x/s;
???????x*=x;
???????printf("\ns=%f,\t\t\te=%f\n",s,x,e);
????}
????printf("e的近似值\t\t=%f",e);
????return?0;}
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