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
| 400 + 100 = | 9900 - 100 = | 6900 - 500 = | 200 + 200 = | 4000 + 100 = |
| 100 - 99 = | 36 ÷ 6 = | 5 × 4 = | 500 + 700 = | 3 × 3 = |
| 9200 - 1000 = | 49 + 49 = | 8 × 3 = | 12 ÷ 3 = | 4600 - 700 = |
| 3 × 5 = | 4 × 7 = | 23 ÷ 7 = | 1500 - 500 = | 600 + 400 = |
| 7100 - 700 = | 5800 - 600 = | 500 + 700 = | 53 ÷ 9 = | 500 + 400 = |
| 14 ÷ 7 = | 7 × 3 = | 54 ÷ 6 = | 800 + 600 = | 48 ÷ 6 = |
| 100 + 5000 = | 4300 - 1000 = | 200 + 500 = | 800 + 200 = | 1600 - 200 = |
| 22 ÷ 3 = | 32 ÷ 4 = | 4300 - 300 = | 1500 - 1000 = | 23 ÷ 7 = |
| 90 - 22 = | 7 × 9 = | 4300 - 4000 = | 8200 - 100 = | 53 + 47 = |
| 10 ÷ 2 = | 4 × 3 = | 93 - 16 = | 400 + 1000 = | 95 - 86 = |
| 7 ÷ 7 = | 100 + 500 = | 1000 - 900 = | 1000 + 500 = | 33 - 6 × 4 = |
| 25 + 66 - 66 = | 42 - 36 + 48 = | 29 + 48 ÷ 6 = | 40 - 3 × 6 = | 12 ÷ 2 + 88 = |
二、填括号
| ( ) + 300 = 900 | 12 ÷ ( ) = 4 | 35 + ( ) = 68 | ( ) - 1000 = 4500 |
| 72 ÷ ( ) = 8 | 93 - ( ) = 21 | 54 ÷ ( ) = 9 | 4000 - ( ) = 3300 |
| 100 + ( ) = 800 | ( ) × 6 = 18 |
三、竖式计算题，带“※” 要验算
| 59 ÷ 9 = | 624 - 269 = | 901 - 840 + 207 = | ※ 462 + 156 = |
| 31 ÷ 9 = | ※ 626 - 273 = | 584 - 234 - 250 = | 767 + 189 = |
消防员爸爸