list no a1 b1 c1if float(a1)~=float(b1+c1)

+--------------------------+
|no a1 b1 c1 |
|--------------------------|
10. |10 55.1 42.4 12.7 |
13. |13 54.7 26.8 27.9 |
18. |18 53.4 47.1 6.3 |
20. |20 54.9 22.3 32.6 |
24. |24 52.8 39.2 13.6 |
|--------------------------|
26. |26 53.6 36.4 17.2 |
27. |27 52.9 43.1 9.8 |
29. |29 52.3 35.9 16.4 |
33. |33 52.3 42.4 9.9 |
36. |36 53.9 41.6 12.3 |
|--------------------------|
37. |37 54.2 46.6 7.6 |
44. |44 52.3 37.9 14.4 |
46. |46 54.7 41.3 13.4 |
49. |49 54.7 39.8 14.9 |
51. |51 52.6 34.4 18.2 |
|--------------------------|
52. |52 53.9 43.6 10.3 |
55. |55 54.8 42.2 12.6 |
57. |57 53.9 34.1 19.8 |
71. |83 53.2 46.6 6.6 |
72. |84 54.2 37.8 16.4 |
|--------------------------|
74. |86 52.7 41.6 11.1 |
75. |87 52.2 26.3 25.9 |
79. |91 54.8 41.4 13.4 |
87. |99 52.7 44.6 8.1 |
102. | 114 52.2 42.3 9.9 |
|--------------------------|
106. | 118 54.3 44.9 9.4 |
111. | 123 53.7 39.3 14.4 |
114. | 126 52.3 41.2 11.1 |
118. | 130 54.2 26.3 27.9 |
120. | 132 54.3 21.4 32.9 |
+--------------------------+

如何避免出现？