跟着消防员爸爸学习C++编程与算法（请备注算法学习）
欢迎咨询
| 7.7 - 7.0 = | 8.2 - 1.1 = | 9.1 - 8.9 = | 5.8 - 4.1 = |
| 7.6 - 7.2 = | 3.3 - 1.0 = | 7.6 - 3.1 = | 5.4 - 3.5 = |
| 8.5 - 7.7 = | 6.7 - 2.6 = | 9.3 - 2.1 = | 5.4 - 4.3 = |
| 8.0 - 4.5 = | 8.0 - 6.7 = | 5.4 - 4.7 = | 3.6 - 2.2 = |
| 7.9 - 5.4 = | 2.2 - 1.7 = | 9.2 - 1.8 = | 2.5 - 0.9 = |
| 7.7 - 6.6 = | 6.6 - 5.5 = | 6.8 - 6.7 = | 6.6 - 0.9 = |
| 8.9 - 3.9 = | 9.0 - 6.7 = | 9.9 - 8.6 = | 9.2 - 3.0 = |
| 8.8 - 4.9 = | 8.3 - 2.2 = | 6.2 - 5.6 = | 6.0 - 2.4 = |
| 6.4 - 3.1 = | 7.0 - 2.0 = | 4.6 - 4.1 = | 9.7 - 0.8 = |
| 8.8 - 4.8 = | 5.9 - 5.7 = | 4.9 - 1.6 = | 5.8 - 3.2 = |
| 4.3 - 4.3 = | 7.9 - 2.9 = | 7.5 - 7.4 = | 2.7 - 1.9 = |
| 8.1 - 5.2 = | 9.3 - 5.3 = | 6.4 - 3.3 = | 7.9 - 6.6 = |
| 1.2 - 0.7 = | 6.7 - 6.0 = |
消防员爸爸