三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 310 + 510 = | 39 - 29 = | 48 + 18 = |
| 23 + 13 = | 49 - 29 = | 12 - 12 = |
| 38 + 38 = | 710 - 210 = | 68 + 18 = |
| 12 + 12 = | 28 + 38 = | 13 + 13 = |
| 25 + 25 = | 23 - 13 = | 46 - 16 = |
| 23 - 13 = | 27 + 17 = | 910 + 110 = |
| 23 + 13 = | 48 - 28 = | 34 - 24 = |
| 45 + 15 = | 510 + 310 = | 49 + 29 = |
| 910 - 110 = | 110 + 810 = | 25 + 15 = |
| 37 - 27 = | 12 - 12 = | 810 - 110 = |
| 23 - 13 = | 34 + 14 = | 48 - 38 = |
| 23 - 13 = | 35 - 15 = | 49 - 39 = |
| 56 + 16 = | 45 - 15 = | 23 + 13 = |
| 47 - 17 = | 24 - 14 = | 12 - 12 = |
| 68 - 18 = | 34 + 14 = | 34 - 14 = |
| 68 - 18 = | 34 + 14 = | 58 - 18 = |
| 26 + 16 = | 12 - 12 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 310 + 510 = 45 | 39 - 29 = 19 | 48 + 18 = 58 |
| 23 + 13 = 1 | 49 - 29 = 29 | 12 - 12 = 0 |
| 38 + 38 = 34 | 710 - 210 = 12 | 68 + 18 = 78 |
| 12 + 12 = 1 | 28 + 38 = 58 | 13 + 13 = 23 |
| 25 + 25 = 45 | 23 - 13 = 13 | 46 - 16 = 12 |
| 23 - 13 = 13 | 27 + 17 = 37 | 910 + 110 = 1 |
| 23 + 13 = 1 | 48 - 28 = 14 | 34 - 24 = 14 |
| 45 + 15 = 1 | 510 + 310 = 45 | 49 + 29 = 23 |
| 910 - 110 = 45 | 110 + 810 = 910 | 25 + 15 = 35 |
| 37 - 27 = 17 | 12 - 12 = 0 | 810 - 110 = 710 |
| 23 - 13 = 13 | 34 + 14 = 1 | 48 - 38 = 18 |
| 23 - 13 = 13 | 35 - 15 = 25 | 49 - 39 = 19 |
| 56 + 16 = 1 | 45 - 15 = 35 | 23 + 13 = 1 |
| 47 - 17 = 37 | 24 - 14 = 14 | 12 - 12 = 0 |
| 68 - 18 = 58 | 34 + 14 = 1 | 34 - 14 = 12 |
| 68 - 18 = 58 | 34 + 14 = 1 | 58 - 18 = 12 |
| 26 + 16 = 12 | 12 - 12 = 0 |