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
| 508 × 2 = | 14 × 3 = | 8400 - 800 = | 72 × 3 = | 83 - 68 = |
| 27 ÷ 8 = | 39 + 31 = | 91 - 75 = | 38 + 33 = | 59 ÷ 7 = |
| 560 × 2 = | 19 × 3 = | 100 - 42 = | 76 + 17 = | 27 × 5 = |
| 71 - 54 + 33 = | 7 ÷ 7 + 15 = | 72 + 9 ÷ 3 = | 9 × 6 + 32 = | 64 + 16 - 66 = |
二、笔算题
| 286 + 307 + 278 = | 695 + 658 - 158 - 295= | 441 - 358 = |
| 954 × 7 = | 169 + 662 + 438 + 731= | 95 × 71 = |
| ※ 755 - 524 = | ※ 741 + 135 = | 328 ÷ 8 = |
消防员爸爸