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
| 1600 - 1000 = | 8900 - 200 = | 92 - 84 = | 800 + 600 = | 1600 - 600 = |
| 28 ÷ 4 = | 5700 - 300 = | 42 ÷ 7 = | 5 × 5 = | 6 × 5 = |
| 72 ÷ 9 = | 5300 - 600 = | 1000 + 200 = | 200 + 600 = | 4 × 4 = |
| 9 × 3 = | 8 ÷ 4 = | 8 × 4 = | 7700 - 300 = | 400 + 100 = |
| 54 + 39 = | 45 ÷ 5 = | 35 + 35 = | 8200 - 100 = | 4700 - 700 = |
| 500 + 200 = | 9 × 9 = | 100 + 2000 = | 100 + 200 = | 200 + 600 = |
| 50 - 22 = | 22 ÷ 3 = | 9 × 7 = | 21 ÷ 7 = | 2000 + 300 = |
| 8500 - 300 = | 39 ÷ 4 = | 8000 - 400 = | 300 + 300 = | 500 + 300 = |
| 7700 - 600 = | 20 ÷ 4 = | 60 - 55 = | 24 ÷ 6 = | 3200 - 900 = |
| 400 + 400 = | 6700 - 600 = | 31 ÷ 5 = | 200 + 300 = | 92 - 79 = |
| 4700 - 4000 = | 4 ÷ 3 = | 200 + 3000 = | 3 × 4 = | 52 - 2 × 9 = |
| 71 + 36 ÷ 6 = | 42 + 4 ÷ 2 = | 56 + 35 - 73 = | 73 - 8 × 9 = | 28 + 25 - 28 = |
二、填括号
| ( ) ÷ 9 = 8 | ( ) ÷ 4 = 1 | 88 - ( ) = 42 | 24 ÷ ( ) = 4 |
| ( ) - 900 = 3800 | ( ) + 400 = 1000 | ( ) - 900 = 3600 | 200 + ( ) = 700 |
| 3 × ( ) = 6 | 81 + ( ) = 83 |
三、竖式计算题，带“※” 要验算
| ※ 299 - 128 = | 429 + 895 = | 539 + 132 + 299 = | 38 ÷ 6 = |
| ※ 299 + 227 = | 52 ÷ 9 = | 660 - 146 - 237 = | 407 - 249 = |
消防员爸爸