fuliver123

TinhTongSoMu

Aug 11th, 2016
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C 0.29 KB | None | 0 0
  1. #include<stdio.h>
  2. #include<math.h>
  3.  
  4. int main()
  5. {
  6.     // Tinh tong so mu.
  7.     int a, n;
  8.     printf("Chuong trinh tinh tong. \nNhap vao so a:"); scanf("%d",&a);
  9.     printf("Nhap vao so n: "); scanf("%d",&n);
  10.     int an1 = pow(a,n+1);
  11.     int s = (an1-a)/(a-1);
  12.     printf("Tong bang: %d", s);
  13.     return 0;
  14. }
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