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
| 77 - 19 = | 57 + 26 = | 91 - 32 = | 50 - 14 = |
| 59 + 41 = | 54 + 46 = | 58 + 13 = | 56 + 44 = |
| 64 + 28 = | 83 - 44 = | 71 - 62 = | 96 - 67 = |
| 48 + 22 = | 84 - 65 = | 100 - 66 = | 81 - 78 = |
| 29 + 12 = | 49 + 14 = | 29 + 15 = | 90 - 81 = |
消防员爸爸