三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 12 + 12 = | 23 - 13 = | 26 + 26 = |
| 23 - 13 = | 49 + 19 = | 59 + 29 = |
| 25 - 15 = | 59 + 19 = | 47 + 27 = |
| 13 + 13 = | 710 - 110 = | 67 - 57 = |
| 35 - 15 = | 47 - 27 = | 68 + 18 = |
| 35 + 15 = | 16 + 46 = | 12 + 12 = |
| 45 - 15 = | 89 + 19 = | 68 - 18 = |
| 12 + 12 = | 79 + 19 = | 45 + 15 = |
| 34 + 14 = | 46 + 16 = | 24 - 14 = |
| 36 + 26 = | 37 + 27 = | 69 + 19 = |
| 38 + 38 = | 37 + 27 = | 34 + 14 = |
| 46 - 16 = | 23 + 13 = | 24 - 14 = |
| 34 + 14 = | 58 - 18 = | 57 + 17 = |
| 12 + 12 = | 45 + 15 = | 39 + 29 = |
| 49 - 29 = | 45 - 35 = | 12 - 12 = |
| 39 - 29 = | 23 - 13 = | 24 - 14 = |
| 57 - 17 = | 24 - 14 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 12 + 12 = 1 | 23 - 13 = 13 | 26 + 26 = 23 |
| 23 - 13 = 13 | 49 + 19 = 59 | 59 + 29 = 79 |
| 25 - 15 = 15 | 59 + 19 = 23 | 47 + 27 = 67 |
| 13 + 13 = 23 | 710 - 110 = 35 | 67 - 57 = 17 |
| 35 - 15 = 25 | 47 - 27 = 27 | 68 + 18 = 78 |
| 35 + 15 = 45 | 16 + 46 = 56 | 12 + 12 = 1 |
| 45 - 15 = 35 | 89 + 19 = 1 | 68 - 18 = 58 |
| 12 + 12 = 1 | 79 + 19 = 89 | 45 + 15 = 1 |
| 34 + 14 = 1 | 46 + 16 = 56 | 24 - 14 = 14 |
| 36 + 26 = 56 | 37 + 27 = 57 | 69 + 19 = 79 |
| 38 + 38 = 34 | 37 + 27 = 57 | 34 + 14 = 1 |
| 46 - 16 = 12 | 23 + 13 = 1 | 24 - 14 = 14 |
| 34 + 14 = 1 | 58 - 18 = 12 | 57 + 17 = 67 |
| 12 + 12 = 1 | 45 + 15 = 1 | 39 + 29 = 59 |
| 49 - 29 = 29 | 45 - 35 = 15 | 12 - 12 = 0 |
| 39 - 29 = 19 | 23 - 13 = 13 | 24 - 14 = 14 |
| 57 - 17 = 47 | 24 - 14 = 14 |