Задание 8

a) 2⁵/₉ < 2⁶/₉ < 2⁷/₉ < 3¹/₃ < 3²/₃ < 3⁵/₆ < 4

б) 8²/₉ > 7⁴/₇ > 6⁵/₅ > 6⁴/₅ > 6²/₅

Задание 9

Выполни сложение или вычитание

1. 7/12 + 3/12 = 10/12 = 5/6
2. 4/5 - 3/5 = 1/5
3. 7 + 1/4 = 28/4 + 1/4 = 29/4 = 7¹/₄
4. 3³/₄ - 1¹/₄ = 15/4 - 5/4 = 10/4 = 5/2 = 2¹/₂
5. 12/13 + 7/13 = 19/13 = 1⁶/₁₃
6. 4⁴/₁₉ + 2⁵/₁₉ = 6⁹/₁₉
7. 13/18 - 7/18 = 6/18 = 1/3
8. 76/100 - 67/100 = 9/100
9. 1 - 6/11 = 11/11 - 6/11 = 5/11
10. 6⁴/₃₃ + 1⁵/₃₃ = 7⁹/₃₃ = 7³/₁₁
11. 3 + 5/43 = 129/43 + 5/43 = 134/43 = 3⁵/₄₃
12. 5 + 3/41 = 205/41 + 3/41 = 208/41 = 5³/₄₁
13. 11/7 - 7/6 = 66/42 - 49/42 = 17/42
14. 1 + 3/7 = 7/7 + 3/7 = 10/7 = 1³/₇
15. 8²/₅ + 3/5 = 8⁵/₅ = 9
16. 5¹/₃ - 4²/₃ = 16/3 - 14/3 = 2/3
17. 7 - 1/13 = 91/13 - 1/13 = 90/13 = 6¹²/₁₃
18. 2¹/₃ + 5²/₃ = 7³/₃ = 8
19. 15/22 - 7/22 = 8/22 = 4/11
20. 7 - 9/17 = 119/17 - 9/17 = 110/17 = 6⁸/₁₇
21. 6¹⁴/₁₇ + 1⁶/₁₇ = 7²⁰/₁₇ = 8³/₁₇
22. 15/41 - 12/41 = 3/41
23. 12/15 + 7/15 = 19/15 = 1⁴/₁₅
24. 8⁷/₆ - 6/6 = 8¹/₆
25. 7⁴/₅ - 6⁴/₅ = 1
26. 11 - 5/22 = 242/22 - 5/22 = 237/22 = 10¹⁷/₂₂
27. 16 - 9/13 = 208/13 - 9/13 = 199/13 = 15⁴/₁₃
28. 45/100 + 35/100 = 80/100 = 4/5
29. 4 + 2/5 = 20/5 + 2/5 = 22/5 = 4²/₅
30. 4 + 1/71 = 284/71 + 1/71 = 285/71 = 4¹/₇₁
31. 4⁷/₇₁ - 9/71 = 288/71 - 9/71 = 279/71 = 3⁶⁶/₇₁
32. 5 + 3/8 = 40/8 + 3/8 = 43/8 = 5³/₈
33. 5 + 3/13 = 65/13 + 3/13 = 68/13 = 5³/₁₃
34. 65/76 - 25/76 = 40/76 = 10/19
35. 3/4 + 3/4 = 6/4 = 3/2 = 1¹/₂
36. 7 - 2¹/₂ = 14/2 - 5/2 = 9/2 = 4¹/₂
37. 8⁵/₃₇ + 8²/₃₇ = 16⁷/₃₇
38. 6 + 4/7 = 42/7 + 4/7 = 46/7 = 6⁴/₇
39. 12 - 5²/₃ = 36/3 - 17/3 = 19/3 = 6¹/₃
40. 46/100 - 41/100 = 5/100 = 1/20
41. 5/9 - 1/6 = 30/54 - 9/54 = 21/54 = 7/18
42. 7/11 + 5 = 7/11 + 55/11 = 62/11 = 5⁷/₁₁
43. 2¹/₃₇ + 3/37 = 2⁴/₃₇
44. 7/12 + 5/12 = 12/12 = 1
45. 6/35 + 1/35 = 7/35 = 1/5
46. 17/67 + 13/67 = 30/67
47. 4/9 - 2/9 = 2/9
48. 4/16 - 4 = 4¹/₁₆ - 4 = 1/16
49. 8 + 1/5 = 40/5 + 1/5 = 41/5 = 8¹/₅
50. 3⁴/₇ - 2²/₃ = 25/7 - 8/3 = 75/21 - 56/21 = 19/21
51. 12¹¹/₁₅ - 10⁴/₁₅ = 2⁷/₁₅