跟着消防员爸爸学习C++编程与算法（请备注算法学习）
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一、口算题
| 12 + 16 = | 39 + 22 = | 20 + 35 = | 38 + 51 = |
| 38 - 24 = | 21 + 73 = | 51 + 49 = | 43 + 29 = |
| 76 - 44 = | 49 + 44 = | 94 - 88 = | 50 - 32 = |
| 64 - 15 = | 63 - 16 = | 65 - 64 = | 99 - 91 = |
二、填括号
| 64 - ( ) = 38 | ( ) - 79 = 13 | ( ) - 39 = 25 | 92 - ( ) = 47 |
| 69 + ( ) = 91 | 41 - ( ) = 27 | 57 + ( ) = 93 | ( ) - 14 = 59 |
| 73 - ( ) = 60 | 43 + ( ) = 78 | ( ) - 20 = 73 | 65 + ( ) = 71 |
三、虫食计算题
四、竖式计算题
| 91 - 89 = | 70 - 46 = | 49 + 11 = | 77 + 14 = |
消防员爸爸