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
| 900 + 900 = | 8900 - 8000 = | 3000 + 300 = | 2400 - 2000 = | 43 ÷ 9 = |
| 10 ÷ 7 = | 7500 - 900 = | 2800 - 300 = | 30 ÷ 6 = | 800 + 600 = |
| 3 × 9 = | 5100 - 700 = | 8900 - 900 = | 80 - 55 = | 7 × 6 = |
| 300 + 500 = | 56 ÷ 8 = | 300 + 5000 = | 6 × 9 = | 3500 - 300 = |
| 9900 - 700 = | 14 ÷ 2 = | 300 + 500 = | 7 × 3 = | 600 + 500 = |
| 600 + 700 = | 800 + 100 = | 41 ÷ 5 = | 83 - 26 = | 82 - 73 = |
| 73 + 18 = | 300 + 600 = | 7000 - 600 = | 100 + 600 = | 5 × 3 = |
| 300 + 3000 = | 2400 - 400 = | 12 ÷ 2 = | 25 ÷ 5 = | 45 ÷ 9 = |
| 5500 - 900 = | 6400 - 600 = | 27 ÷ 9 = | 3 × 6 = | 4 × 4 = |
| 80 - 51 = | 18 ÷ 3 = | 45 + 16 = | 300 + 300 = | 20 ÷ 7 = |
| 3000 + 500 = | 1000 - 500 = | 9 × 3 = | 8500 - 1000 = | 95 - 45 ÷ 9 = |
| 42 ÷ 6 + 21 = | 31 - 12 + 32 = | 7 × 4 - 10 = | 92 - 76 + 36 = | 25 + 5 × 5 = |
二、填括号
| ( ) × 4 = 28 | 42 ÷ ( ) = 6 | ( ) + 100 = 700 | 12 + ( ) = 88 |
| 27 ÷ ( ) = 3 | 5100 - ( ) = 4200 | ( ) ÷ 9 = 5 | 300 + ( ) = 600 |
| 4400 - ( ) = 4200 | 95 - ( ) = 64 |
三、竖式计算题，带“※” 要验算
| 578 + 544 = | ※ 367 - 164 = | 876 - 529 - 156 = | 532 - 189 = |
| 58 ÷ 7 = | 25 ÷ 3 = | 825 - 495 - 307 = | ※ 367 + 317 = |
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