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
| 8 × 9 = | 800 + 800 = | 100 + 800 = | 200 + 800 = | 3600 - 300 = |
| 19 ÷ 3 = | 100 + 900 = | 81 - 49 = | 15 ÷ 3 = | 700 + 900 = |
| 91 - 87 = | 63 ÷ 7 = | 200 + 7000 = | 11 ÷ 8 = | 55 + 39 = |
| 10 ÷ 2 = | 200 + 700 = | 9 × 8 = | 7 × 9 = | 7100 - 400 = |
| 3600 - 600 = | 200 + 900 = | 74 ÷ 9 = | 7900 - 7000 = | 600 + 800 = |
| 9 × 9 = | 19 + 17 = | 9 ÷ 3 = | 49 ÷ 7 = | 4600 - 200 = |
| 24 ÷ 3 = | 100 + 100 = | 4 × 8 = | 80 - 44 = | 6200 - 900 = |
| 50 - 33 = | 14 ÷ 2 = | 1100 - 1000 = | 9 × 3 = | 72 ÷ 8 = |
| 1000 + 100 = | 5700 - 700 = | 2000 + 700 = | 1200 - 100 = | 800 + 300 = |
| 5700 - 5000 = | 100 + 1000 = | 3 × 8 = | 9000 - 400 = | 4 × 4 = |
| 4200 - 400 = | 6500 - 300 = | 7900 - 900 = | 22 ÷ 8 = | 85 - 79 + 58 = |
| 7 × 4 - 16 = | 14 + 18 + 39 = | 4 × 7 - 19 = | 70 - 2 ÷ 1 = | 12 ÷ 2 + 91 = |
二、填括号
| 85 + ( ) = 99 | 56 ÷ ( ) = 8 | ( ) + 900 = 1300 | 3900 - ( ) = 3000 |
| ( ) ÷ 7 = 5 | 77 - ( ) = 10 | 3800 - ( ) = 3700 | ( ) × 4 = 4 |
| 10 ÷ ( ) = 5 | ( ) + 600 = 1100 |
三、竖式计算题，带“※” 要验算
| 16 ÷ 9 = | 17 ÷ 2 = | 667 + 648 = | 501 - 265 = |
| ※ 281 + 106 = | 371 - 153 - 177 = | 187 + 164 - 244 = | ※ 269 - 256 = |
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