1.toog 10 nii nariivchlaltai gargah

//

 #include <stdio.h>

int main() {

  double number, sum = 0;

  // the body of the loop is executed at least once

  do {

    printf("Enter a number: ");

    scanf("%lf", &number);

    sum += number;

  }

  while(number != 0.0);

  printf("Sum = %.2lf",sum);

  return 0;

}