Subtraction of Decimal Numbers
| Problem | Minuend | Subtrahend | Difference |
| 1 | 418.6141 | 0.0311 | 418.583 |
| 2 | 5.8263 | 4.1995 | 1.6268 |
| 3 | 58.3098 | 0.6929 | 57.6169 |
| 4 | 15.9232 | 0.6256 | 15.2976 |
| 5 | 73.1806 | 61.5638 | 11.6168 |
| 6 | 15.1579 | 0.0009 | 15.157 |
| 7 | 56.4055 | 30.0123 | 26.3932 |
| 8 | 0.0334 | 0.001 | 0.0324 |
| 9 | 5.5864 | 0.463 | 5.1234 |
| 10 | 901.2809 | 1.6911 | 899.5898 |
| 11 | 7.824 | 6.0996 | 1.7244 |
| 12 | 8.6479 | 0.6711 | 7.9768 |
| 13 | 6.911 | 0.0715 | 6.8395 |
| 14 | 9.6117 | 7.9917 | 1.62 |
| 15 | 0.0117 | 0.0086 | 0.0031 |
| 16 | 76.59 | 0.08 | 76.51 |
| 17 | 9.5027 | 0.7827 | 8.72 |
| 18 | 0.9569 | 0.7477 | 0.2092 |
| 19 | 4.1203 | 0.9858 | 3.1345 |
| 20 | 67.1054 | 0.0927 | 67.0127 |
| 21 | 61.432 | 7.3619 | 54.0701 |
| 22 | 0.6839 | 0.2668 | 0.4171 |
| 23 | 376.7248 | 0.646 | 376.0788 |
| 24 | 63.1288 | 62.1517 | 0.9771 |
| 25 | 0.479 | 0.0652 | 0.4138 |
| 26 | 5.4296 | 0.5246 | 4.905 |
| 27 | 77.6816 | 8.2821 | 69.3995 |
| 28 | 0.0874 | 0.0359 | 0.0515 |
| 29 | 0.0976 | 0.0095 | 0.0881 |
| 30 | 0.5273 | 0.0745 | 0.4528 |
| 31 | 0.8362 | 0.0042 | 0.832 |
| 32 | 39.6108 | 0.8939 | 38.7169 |
| 33 | 8.9235 | 0.0098 | 8.9137 |
| 34 | 4.1035 | 0.5621 | 3.5414 |
| 35 | 736.3137 | 4.5167 | 731.797 |
| 36 | 156.9821 | 0.081 | 156.9011 |
| 37 | 3.8537 | 0.0119 | 3.8418 |
| 38 | 9.9834 | 0.4172 | 9.5662 |
| 39 | 8.9758 | 0.0783 | 8.8975 |
| 40 | 24.8848 | 4.8286 | 20.0562 |
| 41 | 45.4084 | 8.7019 | 36.7065 |
| 42 | 29.9791 | 0.0397 | 29.9394 |
| 43 | 591.4327 | 41.2007 | 550.232 |
| 44 | 0.0939 | 0.0097 | 0.0842 |
| 45 | 4.6183 | 1.4754 | 3.1429 |
| 46 | 0.8513 | 0.022 | 0.8293 |
| 47 | 24.4672 | 0.0094 | 24.4578 |
| 48 | 74.4092 | 31.7624 | 42.6468 |
| 49 | 49.0878 | 13.5679 | 35.5199 |
| 50 | 151.0122 | 0.0078 | 151.0044 |