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、直接写出得数
| 800 × 2 = | 20 × 8 = | 441 - 110 = | 30 × 5 = | 700 × 2 = |
| 64 ÷ 9 = | 790 × 2 = | 40 × 2 = | 71 ÷ 9 = | 500 × 2 = |
| 404 × 5 = | 33 × 2 = | 30 × 8 = | 450 × 3 = | 200 × 8 = |
| 60 × 2 = | 4300 - 400 = | 900 + 700 = | 900 × 7 = | 300 × 8 = |
| 20 × 4 = | 32 × 2 = | 30 × 9 = | 770 × 2 = | 340 × 5 = |
| 300 × 6 = | 400 × 3 = | 60 × 3 = | 40 × 3 = | 300 × 5 = |
| 33 × 3 = | 300 × 9 = | 500 × 2 = | 600 × 2 = | 90 × 7 = |
| 31 × 2 = | 509 × 2 = | 57 + 43 = | 11 × 8 = | 660 × 2 = |
| 604 × 3 = | 400 × 2 = | 600 × 2 = | 41 - 22 = | 300 × 7 = |
| 67 ÷ 9 = | 30 × 7 = | 5600 - 100 = | 400 + 100 = | 44 ÷ 5 = |
| 660 × 3 = | 200 + 800 = | 60 × 3 = | 400 + 300 = | 28 + 66 - 37 = |
| 21 + 9 × 8 = | 67 + 24 - 61 = | 57 + 10 ÷ 2 = | 35 ÷ 7 + 39 = | 5 × 5 + 59 = |
二、填括号
| 5000 - ( ) = 4500 | 49 ÷ ( ) = 7 | ( ) ÷ 6 = 5 | ( ) + 620 = 1423 |
| 89 - ( ) = 80 | ( ) - 600 = 6800 | 35 ÷ ( ) = 5 | 5 × ( ) = 25 |
| 358 + ( ) = 947 | 44 + ( ) = 57 |
三、竖式计算题
| ※ 589 - 510 = | 838 + 135 - 195 = | 589 × 8 = |
| 29 ÷ 4 = | 413 - 189 = | ※ 413 + 358 = |
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