三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 14 + 14 = | 38 + 28 = | 25 + 25 = |
| 24 - 14 = | 810 - 110 = | 23 - 13 = |
| 37 + 17 = | 26 - 16 = | 13 + 13 = |
| 910 + 110 = | 12 + 12 = | 58 + 28 = |
| 45 + 15 = | 35 - 15 = | 89 - 79 = |
| 24 + 14 = | 25 - 15 = | 12 + 12 = |
| 25 + 15 = | 910 + 110 = | 12 - 12 = |
| 56 - 16 = | 49 - 39 = | 12 - 12 = |
| 68 - 18 = | 46 - 16 = | 46 + 16 = |
| 12 - 12 = | 610 + 110 = | 36 - 26 = |
| 210 + 210 = | 17 + 17 = | 12 + 12 = |
| 510 + 110 = | 710 - 110 = | 37 + 37 = |
| 510 - 410 = | 38 - 18 = | 23 - 13 = |
| 15 + 35 = | 45 - 35 = | 12 + 12 = |
| 410 + 110 = | 47 - 17 = | 23 - 13 = |
| 12 - 12 = | 68 + 18 = | 58 + 18 = |
| 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：_______________
| 14 + 14 = 12 | 38 + 28 = 58 | 25 + 25 = 45 |
| 24 - 14 = 14 | 810 - 110 = 710 | 23 - 13 = 13 |
| 37 + 17 = 47 | 26 - 16 = 16 | 13 + 13 = 23 |
| 910 + 110 = 1 | 12 + 12 = 1 | 58 + 28 = 78 |
| 45 + 15 = 1 | 35 - 15 = 25 | 89 - 79 = 19 |
| 24 + 14 = 34 | 25 - 15 = 15 | 12 + 12 = 1 |
| 25 + 15 = 35 | 910 + 110 = 1 | 12 - 12 = 0 |
| 56 - 16 = 23 | 49 - 39 = 19 | 12 - 12 = 0 |
| 68 - 18 = 58 | 46 - 16 = 12 | 46 + 16 = 56 |
| 12 - 12 = 0 | 610 + 110 = 710 | 36 - 26 = 16 |
| 210 + 210 = 25 | 17 + 17 = 27 | 12 + 12 = 1 |
| 510 + 110 = 35 | 710 - 110 = 35 | 37 + 37 = 67 |
| 510 - 410 = 110 | 38 - 18 = 14 | 23 - 13 = 13 |
| 15 + 35 = 45 | 45 - 35 = 15 | 12 + 12 = 1 |
| 410 + 110 = 12 | 47 - 17 = 37 | 23 - 13 = 13 |
| 12 - 12 = 0 | 68 + 18 = 78 | 58 + 18 = 34 |
| 57 + 17 = 67 | 24 + 14 = 34 |