三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 12 + 12 = | 28 + 28 = | 49 + 29 = |
| 17 + 37 = | 12 + 12 = | 59 - 19 = |
| 34 + 14 = | 45 - 15 = | 34 - 14 = |
| 56 - 46 = | 23 + 13 = | 45 + 15 = |
| 79 + 19 = | 810 + 110 = | 34 - 24 = |
| 24 + 14 = | 29 + 49 = | 12 - 12 = |
| 39 + 19 = | 210 - 110 = | 89 - 19 = |
| 35 - 25 = | 58 - 28 = | 710 - 110 = |
| 23 - 13 = | 35 + 15 = | 35 - 25 = |
| 12 - 12 = | 34 - 24 = | 45 - 35 = |
| 49 + 29 = | 610 + 110 = | 46 + 16 = |
| 67 + 17 = | 36 - 16 = | 12 + 12 = |
| 12 + 12 = | 15 + 15 = | 34 - 14 = |
| 15 + 15 = | 13 + 13 = | 34 - 24 = |
| 68 + 18 = | 12 - 12 = | 48 - 38 = |
| 45 + 15 = | 12 - 12 = | 69 - 59 = |
| 910 + 110 = | 79 - 19 = |
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 | 28 + 28 = 12 | 49 + 29 = 23 |
| 17 + 37 = 47 | 12 + 12 = 1 | 59 - 19 = 49 |
| 34 + 14 = 1 | 45 - 15 = 35 | 34 - 14 = 12 |
| 56 - 46 = 16 | 23 + 13 = 1 | 45 + 15 = 1 |
| 79 + 19 = 89 | 810 + 110 = 910 | 34 - 24 = 14 |
| 24 + 14 = 34 | 29 + 49 = 23 | 12 - 12 = 0 |
| 39 + 19 = 49 | 210 - 110 = 110 | 89 - 19 = 79 |
| 35 - 25 = 15 | 58 - 28 = 38 | 710 - 110 = 35 |
| 23 - 13 = 13 | 35 + 15 = 45 | 35 - 25 = 15 |
| 12 - 12 = 0 | 34 - 24 = 14 | 45 - 35 = 15 |
| 49 + 29 = 23 | 610 + 110 = 710 | 46 + 16 = 56 |
| 67 + 17 = 1 | 36 - 16 = 13 | 12 + 12 = 1 |
| 12 + 12 = 1 | 15 + 15 = 25 | 34 - 14 = 12 |
| 15 + 15 = 25 | 13 + 13 = 23 | 34 - 24 = 14 |
| 68 + 18 = 78 | 12 - 12 = 0 | 48 - 38 = 18 |
| 45 + 15 = 1 | 12 - 12 = 0 | 69 - 59 = 19 |
| 910 + 110 = 1 | 79 - 19 = 23 |