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、写出得数
| 72 - 63 = | 6 ÷ 6 = | 8 × 9 = | 8 × 6 = | 90 - 83 = | 31 ÷ 5 = |
| 49 ÷ 7 = | 78 + 15 = | 3 × 5 = | 17 + 16 = | 9 × 7 = | 4 × 7 = |
| 5 × 3 = | 3 × 3 = | 26 ÷ 5 = | 8 ÷ 4 = | 100 - 51 = | 29 + 21 = |
| 6 × 4 = | 49 + 41 = | 20 ÷ 5 = | 21 ÷ 7 = | 8 ÷ 4 = | 96 - 17 = |
| 47 + 27 = | 90 - 44 = | 24 ÷ 3 = | 10 ÷ 2 = | 4 × 8 = | 9 × 6 = |
| 7 × 7 = | 7 × 5 = | 8 × 4 = | 4 × 5 = | 48 ÷ 6 = | 13 ÷ 5 = |
| 80 - 37 = | 7 × 4 = | 16 ÷ 8 = | 49 ÷ 7 = | 5 × 9 = | 100 - 39 = |
| 5 × 6 = | 8 × 3 = | 45 ÷ 6 = | 5 × 5 = | 18 ÷ 9 = | 56 + 25 = |
| 6 × 7 = | 3 × 6 = | 4 × 4 = | 46 + 46 = | 22 - 19 + 38 = | 49 ÷ 7 + 52 = |
| 96 + 9 ÷ 3 = | 19 + 39 + 24 = | 89 - 8 × 5 = | 4 × 9 + 24 = | 40 - 19 - 19 = | 25 + 49 - 36 = |
二、填括号
| 65 + ( ) = 77 | ( ) ÷ 8 = 2 | 49 ÷ ( ) = 7 | ( ) ÷ 2 = 5 |
| 73 - ( ) = 20 | ( ) - 22 = 28 | ( ) × 5 = 40 | ( ) - 79 = 13 |
| ( ) × 8 = 40 | 2 × ( ) = 8 |
三、竖式计算题
| 43 ÷ 6 = | 19 + 74 - 48 = | 11 + 49 - 58 = | 51 ÷ 7 = |
| 78 + 12 - 70 = | 73 - 37 + 39 = | 25 + 65 - 57 = | 40 - 19 - 14 = |
消防员爸爸