在数学的学习过程中，二元一次方程组是一个重要的知识点。它不仅在理论上具有重要意义，而且在实际应用中也十分广泛。为了帮助大家更好地掌握这一部分内容，下面提供了50道典型的二元一次方程组计算题目。

1. {x + y = 3, x - y = 1}

2. {2x + 3y = 8, x - y = 1}

3. {x + 2y = 7, 2x + y = 8}

4. {3x - 2y = 4, x + y = 5}

5. {x + y = 6, 2x - y = 3}

6. {2x + 3y = 9, x - 2y = 1}

7. {3x - y = 5, x + 2y = 4}

8. {x + y = 4, 3x - 2y = 5}

9. {2x + y = 6, x - 3y = 2}

10. {3x - 2y = 7, 2x + y = 8}

11. {x + 2y = 6, 2x - y = 4}

12. {3x + y = 10, x - y = 2}

13. {2x - 3y = 5, x + y = 4}

14. {x + 2y = 8, 2x - y = 6}

15. {3x - y = 7, x + 2y = 5}

16. {x + y = 5, 2x - y = 4}

17. {2x + 3y = 12, x - y = 2}

18. {3x - 2y = 8, x + y = 3}

19. {x + 2y = 9, 2x - y = 5}

20. {3x - y = 6, x + 2y = 4}

21. {x + y = 7, 2x - y = 5}

22. {2x + 3y = 15, x - y = 3}

23. {3x - 2y = 9, x + y = 4}

24. {x + 2y = 10, 2x - y = 6}

25. {3x - y = 8, x + 2y = 5}

26. {x + y = 6, 2x - y = 4}

27. {2x + 3y = 18, x - y = 3}

28. {3x - 2y = 10, x + y = 4}

29. {x + 2y = 12, 2x - y = 7}

30. {3x - y = 9, x + 2y = 5}

31. {x + y = 8, 2x - y = 6}

32. {2x + 3y = 21, x - y = 4}

33. {3x - 2y = 12, x + y = 5}

34. {x + 2y = 14, 2x - y = 8}

35. {3x - y = 10, x + 2y = 6}

36. {x + y = 7, 2x - y = 5}

37. {2x + 3y = 24, x - y = 4}

38. {3x - 2y = 14, x + y = 5}

39. {x + 2y = 16, 2x - y = 9}

40. {3x - y = 11, x + 2y = 6}

41. {x + y = 9, 2x - y = 7}

42. {2x + 3y = 27, x - y = 5}

43. {3x - 2y = 16, x + y = 6}

44. {x + 2y = 18, 2x - y = 10}

45. {3x - y = 12, x + 2y = 7}

46. {x + y = 8, 2x - y = 6}

47. {2x + 3y = 30, x - y = 5}

48. {3x - 2y = 18, x + y = 6}

49. {x + 2y = 20, 2x - y = 11}

50. {3x - y = 13, x + 2y = 7}

以上就是50道二元一次方程组的计算题目。通过这些练习，大家可以提高解题的速度和准确性，同时也能加深对相关概念的理解。希望大家能够认真对待每一个题目，并且从中获得收获。