三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 49 + 39 = | 12 + 12 = | 25 - 15 = |
| 37 - 27 = | 45 - 35 = | 25 + 15 = |
| 49 + 49 = | 68 + 18 = | 34 + 14 = |
| 67 + 17 = | 23 - 13 = | 12 + 12 = |
| 67 - 17 = | 35 - 15 = | 34 - 14 = |
| 23 + 13 = | 69 - 59 = | 38 - 18 = |
| 23 + 13 = | 12 - 12 = | 37 + 37 = |
| 35 + 15 = | 45 - 15 = | 610 - 510 = |
| 610 - 310 = | 38 + 38 = | 12 - 12 = |
| 12 + 12 = | 45 - 15 = | 35 + 15 = |
| 23 + 13 = | 24 - 14 = | 34 + 14 = |
| 28 + 48 = | 89 + 19 = | 36 - 16 = |
| 27 - 17 = | 26 + 26 = | 17 + 57 = |
| 110 + 810 = | 23 - 13 = | 810 + 110 = |
| 15 + 15 = | 12 + 12 = | 34 - 24 = |
| 34 - 14 = | 56 - 16 = | 14 + 14 = |
| 810 - 110 = | 36 - 26 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 49 + 39 = 79 | 12 + 12 = 1 | 25 - 15 = 15 |
| 37 - 27 = 17 | 45 - 35 = 15 | 25 + 15 = 35 |
| 49 + 49 = 89 | 68 + 18 = 78 | 34 + 14 = 1 |
| 67 + 17 = 1 | 23 - 13 = 13 | 12 + 12 = 1 |
| 67 - 17 = 57 | 35 - 15 = 25 | 34 - 14 = 12 |
| 23 + 13 = 1 | 69 - 59 = 19 | 38 - 18 = 14 |
| 23 + 13 = 1 | 12 - 12 = 0 | 37 + 37 = 67 |
| 35 + 15 = 45 | 45 - 15 = 35 | 610 - 510 = 110 |
| 610 - 310 = 310 | 38 + 38 = 34 | 12 - 12 = 0 |
| 12 + 12 = 1 | 45 - 15 = 35 | 35 + 15 = 45 |
| 23 + 13 = 1 | 24 - 14 = 14 | 34 + 14 = 1 |
| 28 + 48 = 34 | 89 + 19 = 1 | 36 - 16 = 13 |
| 27 - 17 = 17 | 26 + 26 = 23 | 17 + 57 = 67 |
| 110 + 810 = 910 | 23 - 13 = 13 | 810 + 110 = 910 |
| 15 + 15 = 25 | 12 + 12 = 1 | 34 - 24 = 14 |
| 34 - 14 = 12 | 56 - 16 = 23 | 14 + 14 = 12 |
| 810 - 110 = 710 | 36 - 26 = 16 |