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
| 300 + 900 = | 4000 + 400 = | 100 + 8000 = | 8000 - 800 = | 6300 - 800 = |
| 1000 + 800 = | 400 + 400 = | 300 + 800 = | 8800 - 300 = | 7 × 4 = |
| 9100 - 9000 = | 1400 - 400 = | 9100 - 100 = | 8 × 7 = | 93 - 84 = |
| 900 + 700 = | 5500 - 700 = | 9 × 8 = | 48 + 29 = | 74 ÷ 9 = |
| 62 ÷ 7 = | 4100 - 500 = | 9 × 3 = | 4 × 4 = | 39 + 14 = |
| 6400 - 400 = | 8800 - 400 = | 100 + 800 = | 95 - 57 = | 24 ÷ 6 = |
| 400 + 4000 = | 32 ÷ 8 = | 4300 - 300 = | 1600 - 900 = | 81 - 64 = |
| 800 + 100 = | 53 - 16 = | 700 + 500 = | 600 + 100 = | 4 × 3 = |
| 9 × 9 = | 3 × 3 = | 35 ÷ 5 = | 19 ÷ 2 = | 56 ÷ 7 = |
| 48 ÷ 6 = | 5400 - 400 = | 800 + 800 = | 36 ÷ 9 = | 5 ÷ 5 = |
| 9 ÷ 2 = | 10 ÷ 5 = | 200 + 900 = | 4300 - 4000 = | 61 - 46 + 25 = |
| 9 ÷ 1 + 67 = | 22 - 16 + 85 = | 7 × 7 - 11 = | 58 - 24 ÷ 8 = | 7 × 6 + 15 = |
二、填括号
| 500 + ( ) = 1100 | 32 ÷ ( ) = 4 | 3 × ( ) = 3 | ( ) ÷ 5 = 3 |
| 8100 - ( ) = 8000 | 76 - ( ) = 52 | 10 ÷ ( ) = 2 | ( ) - 800 = 7300 |
| 10 + ( ) = 52 | 500 + ( ) = 800 |
三、竖式计算题，带“※” 要验算
| 227 + 385 = | 47 ÷ 9 = | 534 + 230 + 147 = | ※ 551 - 210 = |
| 920 - 839 = | 41 ÷ 7 = | ※ 550 + 320 = | 828 - 252 - 470 = |
消防员爸爸