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、口算题
| 81 - 13 = | 71 × 5 = | 600 × 3 = | 75 × 6 = | 95 × 3 = |
| 48 + 42 = | 4100 - 200 = | 59 + 41 = | 42 + 19 = | 55 ÷ 6 = |
| 50 ÷ 8 = | 90 - 73 = | 56 × 5 = | 600 × 3 = | 80 - 61 = |
| 45 - 18 + 44 = | 42 ÷ 7 + 77 = | 4 ÷ 4 + 23 = | 9 × 6 + 34 = | 45 - 16 + 41 = |
二、笔算题
| 580 - 539 + 675 = | 924 - 649 = | 364 + 559 + 736 + 841= |
| 835 - 235 - 42 + 442= | ※ 652 - 561 = | 616 ÷ 8 = |
| 923 × 7 = | 41 × 48 = | ※ 204 + 173 = |
消防员爸爸