C语言题目:输入一个正整数n,计算1-1/4+1/7-1/10+1/13-1/16+…的前n 项之和,输出时保留3位#includeint main(void){double sum,flag,d;int n,i;sum=0;d=1;flag=1;printf("Enter n:");scanf("%d",&n);for(i=1;i
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![C语言题目:输入一个正整数n,计算1-1/4+1/7-1/10+1/13-1/16+…的前n 项之和,输出时保留3位#includeint main(void){double sum,flag,d;int n,i;sum=0;d=1;flag=1;printf(](/uploads/image/z/5498771-59-1.jpg?t=C%E8%AF%AD%E8%A8%80%E9%A2%98%E7%9B%AE%EF%BC%9A%E8%BE%93%E5%85%A5%E4%B8%80%E4%B8%AA%E6%AD%A3%E6%95%B4%E6%95%B0n%2C%E8%AE%A1%E7%AE%971-1%2F4%2B1%2F7-1%2F10%2B1%2F13-1%2F16%2B%E2%80%A6%E7%9A%84%E5%89%8Dn+%E9%A1%B9%E4%B9%8B%E5%92%8C%2C%E8%BE%93%E5%87%BA%E6%97%B6%E4%BF%9D%E7%95%993%E4%BD%8D%23includeint+main%28void%29%7Bdouble+sum%2Cflag%2Cd%3Bint+n%2Ci%3Bsum%3D0%3Bd%3D1%3Bflag%3D1%3Bprintf%28%22Enter+n%3A%22%29%3Bscanf%28%22%25d%22%2C%26n%29%3Bfor%28i%3D1%3Bi)
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