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
| 50 ÷ 8 = | 4 ÷ 4 = | 7600 - 700 = | 400 + 100 = | 51 ÷ 9 = |
| 40 ÷ 8 = | 4700 - 4000 = | 81 - 64 = | 81 - 54 = | 500 + 200 = |
| 4000 + 100 = | 5800 - 5000 = | 300 + 400 = | 100 + 8000 = | 20 ÷ 5 = |
| 3400 - 700 = | 21 ÷ 8 = | 21 ÷ 3 = | 44 ÷ 8 = | 5500 - 800 = |
| 6600 - 500 = | 4500 - 700 = | 7700 - 200 = | 73 - 34 = | 800 + 300 = |
| 6 × 8 = | 4000 - 1000 = | 300 + 200 = | 60 - 18 = | 7500 - 200 = |
| 4 × 4 = | 32 ÷ 8 = | 4100 - 400 = | 8 ÷ 2 = | 400 + 1000 = |
| 4 × 9 = | 600 + 900 = | 48 + 42 = | 100 + 800 = | 600 + 700 = |
| 6 × 3 = | 3000 - 800 = | 600 + 700 = | 1000 + 800 = | 4700 - 700 = |
| 5800 - 800 = | 17 + 13 = | 10 ÷ 5 = | 18 ÷ 9 = | 8 × 4 = |
| 800 + 300 = | 7 × 9 = | 5 × 4 = | 8 × 5 = | 61 - 18 ÷ 9 = |
| 8 × 7 - 23 = | 9 ÷ 3 + 53 = | 76 - 37 + 42 = | 74 - 46 + 35 = | 67 - 2 × 9 = |
二、填括号
| ( ) + 500 = 800 | ( ) ÷ 9 = 2 | ( ) - 800 = 300 | 66 - ( ) = 63 |
| 20 + ( ) = 69 | 800 + ( ) = 1000 | ( ) × 9 = 18 | 12 ÷ ( ) = 2 |
| ( ) - 800 = 8600 | ( ) ÷ 3 = 7 |
三、竖式计算题，带“※” 要验算
| 304 - 100 + 129 = | 541 - 352 = | ※ 374 + 510 = | ※ 396 - 334 = |
| 27 ÷ 8 = | 214 + 145 - 157 = | 14 ÷ 8 = | 491 + 459 = |
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