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  1. #include <stdio.h>    
  2.  
  3. int main()
  4. {
  5. 	float a1,b1,c1,a2,b2,c2,d,dy,dx;
  6. 	int i,n;
  7. 	printf ("Nhap n = ");
  8. 	scanf ("%d",n);
  9. 	for (i = 1; i <= n; i++)
  10. 	{
  11. 		printf ("Nhap cac he so : ");
  12. 		scanf ("%f%f%f%f%f%f",&a1,&b1,&c1,&a2,&b2,&c2);
  13. 		d = a1*b2 - a2*b1;
  14. 		dx = c1*b2 - b1*c2;
  15. 		dy = a1*c2 - a2*c1;
  16.  
  17. 		if (d != 0) 
  18. 			printf ("%.2f %.2f", dx/d, dy/d);
  19. 		else if (dx != 0)
  20. 			printf ("no solution");
  21. 		else
  22. 			printf ("many solution");
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 9424KB
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Standard input is empty
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Nhap n =
https://ideone.com/EzFlda
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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