三年级上册 分数的初步认识（笔算）
姓名：_______________
学号：_______________
用时：_______________
| 48 - 28 = | 45 - 35 = | 410 + 310 = |
| 29 - 19 = | 47 - 37 = | 12 - 12 = |
| 45 + 15 = | 23 - 13 = | 12 - 12 = |
| 34 + 14 = | 23 + 13 = | 78 - 18 = |
| 510 - 110 = | 810 - 110 = | 910 - 810 = |
| 46 - 36 = | 25 - 15 = | 13 + 13 = |
| 58 + 18 = | 36 - 26 = | 56 + 16 = |
| 13 + 13 = | 35 - 15 = | 910 - 110 = |
| 48 - 18 = | 35 + 15 = | 16 + 46 = |
| 45 - 15 = | 56 + 16 = | 38 - 28 = |
| 29 + 39 = | 25 + 15 = | 56 - 16 = |
| 48 - 38 = | 410 + 210 = | 46 - 16 = |
| 35 - 15 = | 17 + 17 = | 39 + 39 = |
| 510 + 410 = | 48 - 18 = | 27 - 17 = |
| 48 - 38 = | 12 - 12 = | 23 - 13 = |
| 27 + 37 = | 46 - 16 = | 17 + 27 = |
| 45 - 15 = | 68 - 18 = |
三年级上册 分数的初步认识（笔算）（答案）
姓名：_______________
学号：_______________
用时：_______________
| 48 - 28 = 14 | 45 - 35 = 15 | 410 + 310 = 710 |
| 29 - 19 = 19 | 47 - 37 = 17 | 12 - 12 = 0 |
| 45 + 15 = 1 | 23 - 13 = 13 | 12 - 12 = 0 |
| 34 + 14 = 1 | 23 + 13 = 1 | 78 - 18 = 34 |
| 510 - 110 = 25 | 810 - 110 = 710 | 910 - 810 = 110 |
| 46 - 36 = 16 | 25 - 15 = 15 | 13 + 13 = 23 |
| 58 + 18 = 34 | 36 - 26 = 16 | 56 + 16 = 1 |
| 13 + 13 = 23 | 35 - 15 = 25 | 910 - 110 = 45 |
| 48 - 18 = 38 | 35 + 15 = 45 | 16 + 46 = 56 |
| 45 - 15 = 35 | 56 + 16 = 1 | 38 - 28 = 18 |
| 29 + 39 = 59 | 25 + 15 = 35 | 56 - 16 = 23 |
| 48 - 38 = 18 | 410 + 210 = 35 | 46 - 16 = 12 |
| 35 - 15 = 25 | 17 + 17 = 27 | 39 + 39 = 23 |
| 510 + 410 = 910 | 48 - 18 = 38 | 27 - 17 = 17 |
| 48 - 38 = 18 | 12 - 12 = 0 | 23 - 13 = 13 |
| 27 + 37 = 57 | 46 - 16 = 12 | 17 + 27 = 37 |
| 45 - 15 = 35 | 68 - 18 = 58 |