三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 13 + 13 = | 46 + 16 = | 79 + 19 = |
| 25 + 15 = | 48 - 28 = | 12 + 12 = |
| 12 - 12 = | 15 + 25 = | 24 + 14 = |
| 29 + 19 = | 25 + 25 = | 68 - 18 = |
| 25 + 25 = | 58 + 28 = | 310 - 210 = |
| 45 - 15 = | 510 - 410 = | 34 + 14 = |
| 23 - 13 = | 39 - 29 = | 68 - 18 = |
| 57 - 17 = | 47 + 27 = | 34 + 14 = |
| 12 + 12 = | 23 - 13 = | 810 + 110 = |
| 36 - 26 = | 510 - 410 = | 12 + 12 = |
| 47 + 17 = | 23 - 13 = | 12 + 12 = |
| 35 + 15 = | 910 + 110 = | 12 + 12 = |
| 56 - 46 = | 23 - 13 = | 410 + 110 = |
| 17 + 47 = | 45 - 35 = | 23 - 13 = |
| 38 + 48 = | 34 - 14 = | 23 + 13 = |
| 12 - 12 = | 89 + 19 = | 27 + 47 = |
| 810 + 110 = | 35 + 15 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 13 + 13 = 23 | 46 + 16 = 56 | 79 + 19 = 89 |
| 25 + 15 = 35 | 48 - 28 = 14 | 12 + 12 = 1 |
| 12 - 12 = 0 | 15 + 25 = 35 | 24 + 14 = 34 |
| 29 + 19 = 13 | 25 + 25 = 45 | 68 - 18 = 58 |
| 25 + 25 = 45 | 58 + 28 = 78 | 310 - 210 = 110 |
| 45 - 15 = 35 | 510 - 410 = 110 | 34 + 14 = 1 |
| 23 - 13 = 13 | 39 - 29 = 19 | 68 - 18 = 58 |
| 57 - 17 = 47 | 47 + 27 = 67 | 34 + 14 = 1 |
| 12 + 12 = 1 | 23 - 13 = 13 | 810 + 110 = 910 |
| 36 - 26 = 16 | 510 - 410 = 110 | 12 + 12 = 1 |
| 47 + 17 = 57 | 23 - 13 = 13 | 12 + 12 = 1 |
| 35 + 15 = 45 | 910 + 110 = 1 | 12 + 12 = 1 |
| 56 - 46 = 16 | 23 - 13 = 13 | 410 + 110 = 12 |
| 17 + 47 = 57 | 45 - 35 = 15 | 23 - 13 = 13 |
| 38 + 48 = 78 | 34 - 14 = 12 | 23 + 13 = 1 |
| 12 - 12 = 0 | 89 + 19 = 1 | 27 + 47 = 67 |
| 810 + 110 = 910 | 35 + 15 = 45 |